Merge master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa

23 files changed, 358 insertions, 565 deletions

diff --git a/sound/core/Kconfig b/sound/core/Kconfig
index 48cf45cfd0b..82718836f93 100644
--- a/sound/core/Kconfig
+++ b/sound/core/Kconfig
@@ -127,12 +127,6 @@ config SND_DEBUG
 	help
 	  Say Y here to enable ALSA debug code.
 
-config SND_DEBUG_MEMORY
-	bool "Debug memory"
-	depends on SND_DEBUG
-	help
-	  Say Y here to enable debugging of memory allocations.
-
 config SND_DEBUG_DETECT
 	bool "Debug detection"
 	depends on SND_DEBUG
diff --git a/sound/core/Makefile b/sound/core/Makefile
index 969d75528bd..5a01c76d02e 100644
--- a/sound/core/Makefile
+++ b/sound/core/Makefile
@@ -3,8 +3,7 @@
 # Copyright (c) 1999,2001 by Jaroslav Kysela <perex@suse.cz>
 #
 
-snd-objs     := sound.o init.o memory.o info.o control.o misc.o \
-                device.o wrappers.o
+snd-objs     := sound.o init.o memory.o info.o control.o misc.o device.o
 ifeq ($(CONFIG_ISA_DMA_API),y)
 snd-objs     += isadma.o
 endif
diff --git a/sound/core/control.c b/sound/core/control.c
index 736edf358e0..212c46a9437 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -144,7 +144,7 @@ void snd_ctl_notify(snd_card_t *card, unsigned int mask, snd_ctl_elem_id_t *id)
 	snd_ctl_file_t *ctl;
 	snd_kctl_event_t *ev;
 	
-	snd_runtime_check(card != NULL && id != NULL, return);
+	snd_assert(card != NULL && id != NULL, return);
 	read_lock(&card->ctl_files_rwlock);
 #if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
 	card->mixer_oss_change_count++;
@@ -193,8 +193,8 @@ snd_kcontrol_t *snd_ctl_new(snd_kcontrol_t * control, unsigned int access)
 	snd_kcontrol_t *kctl;
 	unsigned int idx;
 	
-	snd_runtime_check(control != NULL, return NULL);
-	snd_runtime_check(control->count > 0, return NULL);
+	snd_assert(control != NULL, return NULL);
+	snd_assert(control->count > 0, return NULL);
 	kctl = kzalloc(sizeof(*kctl) + sizeof(snd_kcontrol_volatile_t) * control->count, GFP_KERNEL);
 	if (kctl == NULL)
 		return NULL;
@@ -220,7 +220,7 @@ snd_kcontrol_t *snd_ctl_new1(const snd_kcontrol_new_t * ncontrol, void *private_
 	snd_kcontrol_t kctl;
 	unsigned int access;
 	
-	snd_runtime_check(ncontrol != NULL, return NULL);
+	snd_assert(ncontrol != NULL, return NULL);
 	snd_assert(ncontrol->info != NULL, return NULL);
 	memset(&kctl, 0, sizeof(kctl));
 	kctl.id.iface = ncontrol->iface;
@@ -309,7 +309,7 @@ int snd_ctl_add(snd_card_t * card, snd_kcontrol_t * kcontrol)
 	snd_ctl_elem_id_t id;
 	unsigned int idx;
 
-	snd_runtime_check(card != NULL && kcontrol != NULL, return -EINVAL);
+	snd_assert(card != NULL && kcontrol != NULL, return -EINVAL);
 	snd_assert(kcontrol->info != NULL, return -EINVAL);
 	id = kcontrol->id;
 	down_write(&card->controls_rwsem);
@@ -355,7 +355,7 @@ int snd_ctl_remove(snd_card_t * card, snd_kcontrol_t * kcontrol)
 	snd_ctl_elem_id_t id;
 	unsigned int idx;
 
-	snd_runtime_check(card != NULL && kcontrol != NULL, return -EINVAL);
+	snd_assert(card != NULL && kcontrol != NULL, return -EINVAL);
 	list_del(&kcontrol->list);
 	card->controls_count -= kcontrol->count;
 	id = kcontrol->id;
@@ -468,7 +468,7 @@ snd_kcontrol_t *snd_ctl_find_numid(snd_card_t * card, unsigned int numid)
 	struct list_head *list;
 	snd_kcontrol_t *kctl;
 
-	snd_runtime_check(card != NULL && numid != 0, return NULL);
+	snd_assert(card != NULL && numid != 0, return NULL);
 	list_for_each(list, &card->controls) {
 		kctl = snd_kcontrol(list);
 		if (kctl->id.numid <= numid && kctl->id.numid + kctl->count > numid)
@@ -494,7 +494,7 @@ snd_kcontrol_t *snd_ctl_find_id(snd_card_t * card, snd_ctl_elem_id_t *id)
 	struct list_head *list;
 	snd_kcontrol_t *kctl;
 
-	snd_runtime_check(card != NULL && id != NULL, return NULL);
+	snd_assert(card != NULL && id != NULL, return NULL);
 	if (id->numid != 0)
 		return snd_ctl_find_numid(card, id->numid);
 	list_for_each(list, &card->controls) {
@@ -1215,7 +1215,7 @@ static int _snd_ctl_unregister_ioctl(snd_kctl_ioctl_func_t fcn, struct list_head
 	struct list_head *list;
 	snd_kctl_ioctl_t *p;
 
-	snd_runtime_check(fcn != NULL, return -EINVAL);
+	snd_assert(fcn != NULL, return -EINVAL);
 	down_write(&snd_ioctl_rwsem);
 	list_for_each(list, lists) {
 		p = list_entry(list, snd_kctl_ioctl_t, list);
diff --git a/sound/core/hwdep.c b/sound/core/hwdep.c
index 9383f1294fb..e91cee35a4b 100644
--- a/sound/core/hwdep.c
+++ b/sound/core/hwdep.c
@@ -81,20 +81,16 @@ static int snd_hwdep_open(struct inode *inode, struct file * file)
 	int err;
 	wait_queue_t wait;
 
-	switch (major) {
-	case CONFIG_SND_MAJOR:
+	if (major == snd_major) {
 		cardnum = SNDRV_MINOR_CARD(iminor(inode));
 		device = SNDRV_MINOR_DEVICE(iminor(inode)) - SNDRV_MINOR_HWDEP;
-		break;
 #ifdef CONFIG_SND_OSSEMUL
-	case SOUND_MAJOR:
+	} else if (major == SOUND_MAJOR) {
 		cardnum = SNDRV_MINOR_OSS_CARD(iminor(inode));
 		device = 0;
-		break;
 #endif
-	default:
+	} else
 		return -ENXIO;
-	}
 	cardnum %= SNDRV_CARDS;
 	device %= SNDRV_MINOR_HWDEPS;
 	hw = snd_hwdep_devices[(cardnum * SNDRV_MINOR_HWDEPS) + device];
diff --git a/sound/core/info.c b/sound/core/info.c
index 37024d68a26..39f9b97d921 100644
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -566,7 +566,6 @@ int __init snd_info_init(void)
 	}
 #endif
 	snd_info_version_init();
-	snd_memory_info_init();
 	snd_minor_info_init();
 	snd_minor_info_oss_init();
 	snd_card_info_init();
@@ -578,7 +577,6 @@ int __exit snd_info_done(void)
 	snd_card_info_done();
 	snd_minor_info_oss_done();
 	snd_minor_info_done();
-	snd_memory_info_done();
 	snd_info_version_done();
 	if (snd_proc_root) {
 #if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE)
diff --git a/sound/core/init.c b/sound/core/init.c
index 41e224986f3..d9ee27ae9a5 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -420,7 +420,7 @@ int snd_card_register(snd_card_t * card)
 	int err;
 	snd_info_entry_t *entry;
 
-	snd_runtime_check(card != NULL, return -EINVAL);
+	snd_assert(card != NULL, return -EINVAL);
 	if ((err = snd_device_register_all(card)) < 0)
 		return err;
 	write_lock(&snd_card_rwlock);
@@ -524,7 +524,8 @@ int __init snd_card_info_init(void)
 	snd_info_entry_t *entry;
 
 	entry = snd_info_create_module_entry(THIS_MODULE, "cards", NULL);
-	snd_runtime_check(entry != NULL, return -ENOMEM);
+	if (! entry)
+		return -ENOMEM;
 	entry->c.text.read_size = PAGE_SIZE;
 	entry->c.text.read = snd_card_info_read;
 	if (snd_info_register(entry) < 0) {
@@ -840,7 +841,7 @@ static int snd_generic_resume(struct device *dev)
 	card = get_snd_generic_card(dev);
 	if (card->power_state == SNDRV_CTL_POWER_D0)
 		return 0;
-	if (card->pm_suspend)
+	if (card->pm_resume)
 		card->pm_resume(card);
 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
 	return 0;
diff --git a/sound/core/memory.c b/sound/core/memory.c
index 7d8e2eebba5..862d62d2e14 100644
--- a/sound/core/memory.c
+++ b/sound/core/memory.c
@@ -1,7 +1,7 @@
 /*
  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
  * 
- *  Memory allocation helpers.
+ *  Misc memory accessors
  *
  *
  *   This program is free software; you can redistribute it and/or modify
@@ -20,221 +20,9 @@
  *
  */
 
-#include <sound/driver.h>
+#include <linux/config.h>
 #include <asm/io.h>
 #include <asm/uaccess.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/time.h>
-#include <linux/pci.h>
-#include <sound/core.h>
-#include <sound/info.h>
-
-/*
- *  memory allocation helpers and debug routines
- */
-
-#ifdef CONFIG_SND_DEBUG_MEMORY
-
-struct snd_alloc_track {
-	unsigned long magic;
-	void *caller;
-	size_t size;
-	struct list_head list;
-	long data[0];
-};
-
-#define snd_alloc_track_entry(obj) (struct snd_alloc_track *)((char*)obj - (unsigned long)((struct snd_alloc_track *)0)->data)
-
-static long snd_alloc_kmalloc;
-static long snd_alloc_vmalloc;
-static LIST_HEAD(snd_alloc_kmalloc_list);
-static LIST_HEAD(snd_alloc_vmalloc_list);
-static DEFINE_SPINLOCK(snd_alloc_kmalloc_lock);
-static DEFINE_SPINLOCK(snd_alloc_vmalloc_lock);
-#define KMALLOC_MAGIC 0x87654321
-#define VMALLOC_MAGIC 0x87654320
-static snd_info_entry_t *snd_memory_info_entry;
-
-void __init snd_memory_init(void)
-{
-	snd_alloc_kmalloc = 0;
-	snd_alloc_vmalloc = 0;
-}
-
-void snd_memory_done(void)
-{
-	struct list_head *head;
-	struct snd_alloc_track *t;
-
-	if (snd_alloc_kmalloc > 0)
-		snd_printk(KERN_ERR "Not freed snd_alloc_kmalloc = %li\n", snd_alloc_kmalloc);
-	if (snd_alloc_vmalloc > 0)
-		snd_printk(KERN_ERR "Not freed snd_alloc_vmalloc = %li\n", snd_alloc_vmalloc);
-	list_for_each_prev(head, &snd_alloc_kmalloc_list) {
-		t = list_entry(head, struct snd_alloc_track, list);
-		if (t->magic != KMALLOC_MAGIC) {
-			snd_printk(KERN_ERR "Corrupted kmalloc\n");
-			break;
-		}
-		snd_printk(KERN_ERR "kmalloc(%ld) from %p not freed\n", (long) t->size, t->caller);
-	}
-	list_for_each_prev(head, &snd_alloc_vmalloc_list) {
-		t = list_entry(head, struct snd_alloc_track, list);
-		if (t->magic != VMALLOC_MAGIC) {
-			snd_printk(KERN_ERR "Corrupted vmalloc\n");
-			break;
-		}
-		snd_printk(KERN_ERR "vmalloc(%ld) from %p not freed\n", (long) t->size, t->caller);
-	}
-}
-
-static void *__snd_kmalloc(size_t size, gfp_t flags, void *caller)
-{
-	unsigned long cpu_flags;
-	struct snd_alloc_track *t;
-	void *ptr;
-	
-	ptr = snd_wrapper_kmalloc(size + sizeof(struct snd_alloc_track), flags);
-	if (ptr != NULL) {
-		t = (struct snd_alloc_track *)ptr;
-		t->magic = KMALLOC_MAGIC;
-		t->caller = caller;
-		spin_lock_irqsave(&snd_alloc_kmalloc_lock, cpu_flags);
-		list_add_tail(&t->list, &snd_alloc_kmalloc_list);
-		spin_unlock_irqrestore(&snd_alloc_kmalloc_lock, cpu_flags);
-		t->size = size;
-		snd_alloc_kmalloc += size;
-		ptr = t->data;
-	}
-	return ptr;
-}
-
-#define _snd_kmalloc(size, flags) __snd_kmalloc((size), (flags), __builtin_return_address(0));
-void *snd_hidden_kmalloc(size_t size, gfp_t flags)
-{
-	return _snd_kmalloc(size, flags);
-}
-
-void *snd_hidden_kzalloc(size_t size, gfp_t flags)
-{
-	void *ret = _snd_kmalloc(size, flags);
-	if (ret)
-		memset(ret, 0, size);
-	return ret;
-}
-EXPORT_SYMBOL(snd_hidden_kzalloc);
-
-void *snd_hidden_kcalloc(size_t n, size_t size, gfp_t flags)
-{
-	void *ret = NULL;
-	if (n != 0 && size > INT_MAX / n)
-		return ret;
-	return snd_hidden_kzalloc(n * size, flags);
-}
-
-void snd_hidden_kfree(const void *obj)
-{
-	unsigned long flags;
-	struct snd_alloc_track *t;
-	if (obj == NULL)
-		return;
-	t = snd_alloc_track_entry(obj);
-	if (t->magic != KMALLOC_MAGIC) {
-		snd_printk(KERN_WARNING "bad kfree (called from %p)\n", __builtin_return_address(0));
-		return;
-	}
-	spin_lock_irqsave(&snd_alloc_kmalloc_lock, flags);
-	list_del(&t->list);
-	spin_unlock_irqrestore(&snd_alloc_kmalloc_lock, flags);
-	t->magic = 0;
-	snd_alloc_kmalloc -= t->size;
-	obj = t;
-	snd_wrapper_kfree(obj);
-}
-
-void *snd_hidden_vmalloc(unsigned long size)
-{
-	void *ptr;
-	ptr = snd_wrapper_vmalloc(size + sizeof(struct snd_alloc_track));
-	if (ptr) {
-		struct snd_alloc_track *t = (struct snd_alloc_track *)ptr;
-		t->magic = VMALLOC_MAGIC;
-		t->caller = __builtin_return_address(0);
-		spin_lock(&snd_alloc_vmalloc_lock);
-		list_add_tail(&t->list, &snd_alloc_vmalloc_list);
-		spin_unlock(&snd_alloc_vmalloc_lock);
-		t->size = size;
-		snd_alloc_vmalloc += size;
-		ptr = t->data;
-	}
-	return ptr;
-}
-
-void snd_hidden_vfree(void *obj)
-{
-	struct snd_alloc_track *t;
-	if (obj == NULL)
-		return;
-	t = snd_alloc_track_entry(obj);
-	if (t->magic != VMALLOC_MAGIC) {
-		snd_printk(KERN_ERR "bad vfree (called from %p)\n", __builtin_return_address(0));
-		return;
-	}
-	spin_lock(&snd_alloc_vmalloc_lock);
-	list_del(&t->list);
-	spin_unlock(&snd_alloc_vmalloc_lock);
-	t->magic = 0;
-	snd_alloc_vmalloc -= t->size;
-	obj = t;
-	snd_wrapper_vfree(obj);
-}
-
-char *snd_hidden_kstrdup(const char *s, gfp_t flags)
-{
-	int len;
-	char *buf;
-
-	if (!s) return NULL;
-
-	len = strlen(s) + 1;
-	buf = _snd_kmalloc(len, flags);
-	if (buf)
-		memcpy(buf, s, len);
-	return buf;
-}
-
-static void snd_memory_info_read(snd_info_entry_t *entry, snd_info_buffer_t * buffer)
-{
-	snd_iprintf(buffer, "kmalloc: %li bytes\n", snd_alloc_kmalloc);
-	snd_iprintf(buffer, "vmalloc: %li bytes\n", snd_alloc_vmalloc);
-}
-
-int __init snd_memory_info_init(void)
-{
-	snd_info_entry_t *entry;
-
-	entry = snd_info_create_module_entry(THIS_MODULE, "meminfo", NULL);
-	if (entry) {
-		entry->c.text.read_size = 256;
-		entry->c.text.read = snd_memory_info_read;
-		if (snd_info_register(entry) < 0) {
-			snd_info_free_entry(entry);
-			entry = NULL;
-		}
-	}
-	snd_memory_info_entry = entry;
-	return 0;
-}
-
-int __exit snd_memory_info_done(void)
-{
-	if (snd_memory_info_entry)
-		snd_info_unregister(snd_memory_info_entry);
-	return 0;
-}
-
-#endif /* CONFIG_SND_DEBUG_MEMORY */
 
 /**
  * copy_to_user_fromio - copy data from mmio-space to user-space
diff --git a/sound/core/misc.c b/sound/core/misc.c
index 1a81fe4df21..b53e563c09e 100644
--- a/sound/core/misc.c
+++ b/sound/core/misc.c
@@ -23,17 +23,15 @@
 #include <linux/init.h>
 #include <linux/sched.h>
 #include <linux/time.h>
+#include <linux/ioport.h>
 #include <sound/core.h>
 
-int snd_task_name(struct task_struct *task, char *name, size_t size)
+void release_and_free_resource(struct resource *res)
 {
-	unsigned int idx;
-
-	snd_assert(task != NULL && name != NULL && size >= 2, return -EINVAL);
-	for (idx = 0; idx < sizeof(task->comm) && idx + 1 < size; idx++)
-		name[idx] = task->comm[idx];
-	name[idx] = '\0';
-	return 0;
+	if (res) {
+		release_resource(res);
+		kfree(res);
+	}
 }
 
 #ifdef CONFIG_SND_VERBOSE_PRINTK
diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c
index 69e1059112d..214933cf5d4 100644
--- a/sound/core/oss/mixer_oss.c
+++ b/sound/core/oss/mixer_oss.c
@@ -521,9 +521,13 @@ static void snd_mixer_oss_get_volume1_vol(snd_mixer_oss_file_t *fmixer,
 	uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
 	if (uinfo == NULL || uctl == NULL)
 		goto __unalloc;
-	snd_runtime_check(!kctl->info(kctl, uinfo), goto __unalloc);
-	snd_runtime_check(!kctl->get(kctl, uctl), goto __unalloc);
-	snd_runtime_check(uinfo->type != SNDRV_CTL_ELEM_TYPE_BOOLEAN || uinfo->value.integer.min != 0 || uinfo->value.integer.max != 1, goto __unalloc);
+	if (kctl->info(kctl, uinfo))
+		goto __unalloc;
+	if (kctl->get(kctl, uctl))
+		goto __unalloc;
+	if (uinfo->type == SNDRV_CTL_ELEM_TYPE_BOOLEAN &&
+	    uinfo->value.integer.min == 0 && uinfo->value.integer.max == 1)
+		goto __unalloc;
 	*left = snd_mixer_oss_conv1(uctl->value.integer.value[0], uinfo->value.integer.min, uinfo->value.integer.max, &pslot->volume[0]);
 	if (uinfo->count > 1)
 		*right = snd_mixer_oss_conv1(uctl->value.integer.value[1], uinfo->value.integer.min, uinfo->value.integer.max, &pslot->volume[1]);
@@ -555,8 +559,10 @@ static void snd_mixer_oss_get_volume1_sw(snd_mixer_oss_file_t *fmixer,
 	uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
 	if (uinfo == NULL || uctl == NULL)
 		goto __unalloc;
-	snd_runtime_check(!kctl->info(kctl, uinfo), goto __unalloc);
-	snd_runtime_check(!kctl->get(kctl, uctl), goto __unalloc);
+	if (kctl->info(kctl, uinfo))
+		goto __unalloc;
+	if (kctl->get(kctl, uctl))
+		goto __unalloc;
 	if (!uctl->value.integer.value[0]) {
 		*left = 0;
 		if (uinfo->count == 1)
@@ -616,12 +622,16 @@ static void snd_mixer_oss_put_volume1_vol(snd_mixer_oss_file_t *fmixer,
 	uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
 	if (uinfo == NULL || uctl == NULL)
 		goto __unalloc;
-	snd_runtime_check(!kctl->info(kctl, uinfo), goto __unalloc);
-	snd_runtime_check(uinfo->type != SNDRV_CTL_ELEM_TYPE_BOOLEAN || uinfo->value.integer.min != 0 || uinfo->value.integer.max != 1, goto __unalloc);
+	if (kctl->info(kctl, uinfo))
+		goto __unalloc;
+	if (uinfo->type == SNDRV_CTL_ELEM_TYPE_BOOLEAN &&
+	    uinfo->value.integer.min == 0 && uinfo->value.integer.max == 1)
+		goto __unalloc;
 	uctl->value.integer.value[0] = snd_mixer_oss_conv2(left, uinfo->value.integer.min, uinfo->value.integer.max);
 	if (uinfo->count > 1)
 		uctl->value.integer.value[1] = snd_mixer_oss_conv2(right, uinfo->value.integer.min, uinfo->value.integer.max);
-	snd_runtime_check((res = kctl->put(kctl, uctl)) >= 0, goto __unalloc);
+	if ((res = kctl->put(kctl, uctl)) < 0)
+		goto __unalloc;
 	if (res > 0)
 		snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
       __unalloc:
@@ -653,7 +663,8 @@ static void snd_mixer_oss_put_volume1_sw(snd_mixer_oss_file_t *fmixer,
 	uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
 	if (uinfo == NULL || uctl == NULL)
 		goto __unalloc;
-	snd_runtime_check(!kctl->info(kctl, uinfo), goto __unalloc);
+	if (kctl->info(kctl, uinfo))
+		goto __unalloc;
 	if (uinfo->count > 1) {
 		uctl->value.integer.value[0] = left > 0 ? 1 : 0;
 		uctl->value.integer.value[route ? 3 : 1] = right > 0 ? 1 : 0;
@@ -664,7 +675,8 @@ static void snd_mixer_oss_put_volume1_sw(snd_mixer_oss_file_t *fmixer,
 	} else {
 		uctl->value.integer.value[0] = (left > 0 || right > 0) ? 1 : 0;
 	}
-	snd_runtime_check((res = kctl->put(kctl, uctl)) >= 0, goto __unalloc);
+	if ((res = kctl->put(kctl, uctl)) < 0)
+		goto __unalloc;
 	if (res > 0)
 		snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
       __unalloc:
@@ -776,9 +788,14 @@ static int snd_mixer_oss_get_recsrc2(snd_mixer_oss_file_t *fmixer, unsigned int
 	}
 	down_read(&card->controls_rwsem);
 	kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0);
-	snd_runtime_check(kctl != NULL, err = -ENOENT; goto __unlock);
-	snd_runtime_check(!(err = kctl->info(kctl, uinfo)), goto __unlock);
-	snd_runtime_check(!(err = kctl->get(kctl, uctl)), goto __unlock);
+	if (! kctl) {
+		err = -ENOENT;
+		goto __unlock;
+	}
+	if ((err = kctl->info(kctl, uinfo)) < 0)
+		goto __unlock;
+	if ((err = kctl->get(kctl, uctl)) < 0)
+		goto __unlock;
 	for (idx = 0; idx < 32; idx++) {
 		if (!(mixer->mask_recsrc & (1 << idx)))
 			continue;
@@ -821,8 +838,12 @@ static int snd_mixer_oss_put_recsrc2(snd_mixer_oss_file_t *fmixer, unsigned int
 	}
 	down_read(&card->controls_rwsem);
 	kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0);
-	snd_runtime_check(kctl != NULL, err = -ENOENT; goto __unlock);
-	snd_runtime_check(!(err = kctl->info(kctl, uinfo)), goto __unlock);
+	if (! kctl) {
+		err = -ENOENT;
+		goto __unlock;
+	}
+	if ((err = kctl->info(kctl, uinfo)) < 0)
+		goto __unlock;
 	for (idx = 0; idx < 32; idx++) {
 		if (!(mixer->mask_recsrc & (1 << idx)))
 			continue;
@@ -836,10 +857,11 @@ static int snd_mixer_oss_put_recsrc2(snd_mixer_oss_file_t *fmixer, unsigned int
 			break;
 		slot = NULL;
 	}
-	snd_runtime_check(slot != NULL, goto __unlock);
+	if (! slot)
+		goto __unlock;
 	for (idx = 0; idx < uinfo->count; idx++)
 		uctl->value.enumerated.item[idx] = slot->capture_item;
-	snd_runtime_check((err = kctl->put(kctl, uctl)) >= 0, );
+	err = kctl->put(kctl, uctl);
 	if (err > 0)
 		snd_ctl_notify(fmixer->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
 	err = 0;
@@ -1008,7 +1030,8 @@ static int snd_mixer_oss_build_input(snd_mixer_oss_t *mixer, struct snd_mixer_os
 	up_read(&mixer->card->controls_rwsem);
 	if (slot.present != 0) {
 		pslot = (struct slot *)kmalloc(sizeof(slot), GFP_KERNEL);
-		snd_runtime_check(pslot != NULL, return -ENOMEM);
+		if (! pslot)
+			return -ENOMEM;
 		*pslot = slot;
 		pslot->signature = SNDRV_MIXER_OSS_SIGNATURE;
 		pslot->assigned = ptr;
@@ -1271,7 +1294,8 @@ static int snd_mixer_oss_notify_handler(snd_card_t * card, int cmd)
 						   card, 0,
 						   &snd_mixer_oss_reg,
 						   name)) < 0) {
-			snd_printk("unable to register OSS mixer device %i:%i\n", card->number, 0);
+			snd_printk(KERN_ERR "unable to register OSS mixer device %i:%i\n",
+				   card->number, 0);
 			kfree(mixer);
 			return err;
 		}
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index 842c28b2ed5..bcc97075913 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -1821,6 +1821,17 @@ static int snd_pcm_oss_open_file(struct file *file,
 }
 
 
+static int snd_task_name(struct task_struct *task, char *name, size_t size)
+{
+	unsigned int idx;
+
+	snd_assert(task != NULL && name != NULL && size >= 2, return -EINVAL);
+	for (idx = 0; idx < sizeof(task->comm) && idx + 1 < size; idx++)
+		name[idx] = task->comm[idx];
+	name[idx] = '\0';
+	return 0;
+}
+
 static int snd_pcm_oss_open(struct inode *inode, struct file *file)
 {
 	int minor = iminor(inode);
@@ -2446,7 +2457,8 @@ static void register_oss_dsp(snd_pcm_t *pcm, int index)
 	if (snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_PCM,
 				    pcm->card, index, &snd_pcm_oss_reg,
 				    name) < 0) {
-		snd_printk("unable to register OSS PCM device %i:%i\n", pcm->card->number, pcm->device);
+		snd_printk(KERN_ERR "unable to register OSS PCM device %i:%i\n",
+			   pcm->card->number, pcm->device);
 	}
 }
 
@@ -2528,11 +2540,13 @@ static int __init alsa_pcm_oss_init(void)
 	/* check device map table */
 	for (i = 0; i < SNDRV_CARDS; i++) {
 		if (dsp_map[i] < 0 || dsp_map[i] >= SNDRV_PCM_DEVICES) {
-			snd_printk("invalid dsp_map[%d] = %d\n", i, dsp_map[i]);
+			snd_printk(KERN_ERR "invalid dsp_map[%d] = %d\n",
+				   i, dsp_map[i]);
 			dsp_map[i] = 0;
 		}
 		if (adsp_map[i] < 0 || adsp_map[i] >= SNDRV_PCM_DEVICES) {
-			snd_printk("invalid adsp_map[%d] = %d\n", i, adsp_map[i]);
+			snd_printk(KERN_ERR "invalid adsp_map[%d] = %d\n",
+				   i, adsp_map[i]);
 			adsp_map[i] = 1;
 		}
 	}
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 1be470e942e..184e74b75ba 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -273,7 +273,8 @@ static void snd_pcm_proc_info_read(snd_pcm_substream_t *substream, snd_info_buff
 	snd_pcm_info_t *info;
 	int err;
 
-	snd_runtime_check(substream, return);
+	if (! substream)
+		return;
 
 	info = kmalloc(sizeof(*info), GFP_KERNEL);
 	if (! info) {
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 0503980c23d..3dbf9bf2ac1 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -152,13 +152,12 @@ static inline snd_pcm_uframes_t snd_pcm_update_hw_ptr_pos(snd_pcm_substream_t *s
 	if (pos == SNDRV_PCM_POS_XRUN)
 		return pos; /* XRUN */
 	if (runtime->tstamp_mode & SNDRV_PCM_TSTAMP_MMAP)
-		snd_timestamp_now((snd_timestamp_t*)&runtime->status->tstamp, runtime->tstamp_timespec);
+		getnstimeofday((struct timespec *)&runtime->status->tstamp);
 #ifdef CONFIG_SND_DEBUG
 	if (pos >= runtime->buffer_size) {
 		snd_printk(KERN_ERR  "BUG: stream = %i, pos = 0x%lx, buffer size = 0x%lx, period size = 0x%lx\n", substream->stream, pos, runtime->buffer_size, runtime->period_size);
-	} else
+	}
 #endif
-	snd_runtime_check(pos < runtime->buffer_size, return 0);
 	pos -= pos % runtime->min_align;
 	return pos;
 }
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index e97b2d162cc..16e252f5495 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -565,9 +565,9 @@ int snd_pcm_status(snd_pcm_substream_t *substream,
 		if (runtime->tstamp_mode & SNDRV_PCM_TSTAMP_MMAP)
 			status->tstamp = runtime->status->tstamp;
 		else
-			snd_timestamp_now(&status->tstamp, runtime->tstamp_timespec);
+			getnstimeofday(&status->tstamp);
 	} else
-		snd_timestamp_now(&status->tstamp, runtime->tstamp_timespec);
+		getnstimeofday(&status->tstamp);
 	status->appl_ptr = runtime->control->appl_ptr;
 	status->hw_ptr = runtime->status->hw_ptr;
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
@@ -652,7 +652,7 @@ static void snd_pcm_trigger_tstamp(snd_pcm_substream_t *substream)
 	if (runtime->trigger_master == NULL)
 		return;
 	if (runtime->trigger_master == substream) {
-		snd_timestamp_now(&runtime->trigger_tstamp, runtime->tstamp_timespec);
+		getnstimeofday(&runtime->trigger_tstamp);
 	} else {
 		snd_pcm_trigger_tstamp(runtime->trigger_master);
 		runtime->trigger_tstamp = runtime->trigger_master->runtime->trigger_tstamp;
@@ -1522,7 +1522,6 @@ static int snd_pcm_drop(snd_pcm_substream_t *substream)
 
 
 /* WARNING: Don't forget to fput back the file */
-extern int snd_major;
 static struct file *snd_pcm_file_fd(int fd)
 {
 	struct file *file;
@@ -2053,7 +2052,8 @@ static int snd_pcm_open(struct inode *inode, struct file *file)
 	snd_pcm_file_t *pcm_file;
 	wait_queue_t wait;
 
-	snd_runtime_check(device >= SNDRV_MINOR_PCM_PLAYBACK && device < SNDRV_MINOR_DEVICES, return -ENXIO);
+	if (device < SNDRV_MINOR_PCM_PLAYBACK || device >= SNDRV_MINOR_DEVICES)
+		return -ENXIO;
 	pcm = snd_pcm_devices[(cardnum * SNDRV_PCM_DEVICES) + (device % SNDRV_MINOR_PCMS)];
 	if (pcm == NULL) {
 		err = -ENODEV;
@@ -2445,14 +2445,8 @@ static int snd_pcm_common_ioctl1(snd_pcm_substream_t *substream,
 		return put_user(SNDRV_PCM_VERSION, (int __user *)arg) ? -EFAULT : 0;
 	case SNDRV_PCM_IOCTL_INFO:
 		return snd_pcm_info_user(substream, arg);
-	case SNDRV_PCM_IOCTL_TSTAMP:
-	{
-		int xarg;
-		if (get_user(xarg, (int __user *)arg))
-			return -EFAULT;
-		substream->runtime->tstamp_timespec = xarg ? 1 : 0;
+	case SNDRV_PCM_IOCTL_TSTAMP: /* just for compatibility */
 		return 0;
-	}
 	case SNDRV_PCM_IOCTL_HW_REFINE:
 		return snd_pcm_hw_refine_user(substream, arg);
 	case SNDRV_PCM_IOCTL_HW_PARAMS:
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index 7c20eafecb8..d033e61c05c 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -378,24 +378,20 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file)
 	struct list_head *list;
 	snd_ctl_file_t *kctl;
 
-	switch (maj) {
-	case CONFIG_SND_MAJOR:
+	if (maj == snd_major) {
 		cardnum = SNDRV_MINOR_CARD(iminor(inode));
 		cardnum %= SNDRV_CARDS;
 		device = SNDRV_MINOR_DEVICE(iminor(inode)) - SNDRV_MINOR_RAWMIDI;
 		device %= SNDRV_MINOR_RAWMIDIS;
-		break;
 #ifdef CONFIG_SND_OSSEMUL
-	case SOUND_MAJOR:
+	} else if (maj == SOUND_MAJOR) {
 		cardnum = SNDRV_MINOR_OSS_CARD(iminor(inode));
 		cardnum %= SNDRV_CARDS;
 		device = SNDRV_MINOR_OSS_DEVICE(iminor(inode)) == SNDRV_MINOR_OSS_MIDI ?
 			midi_map[cardnum] : amidi_map[cardnum];
-		break;
 #endif
-	default:
+	} else
 		return -ENXIO;
-	}
 
 	rmidi = snd_rawmidi_devices[(cardnum * SNDRV_RAWMIDI_DEVICES) + device];
 	if (rmidi == NULL)
@@ -411,7 +407,7 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file)
 	if (err < 0)
 		return -ENODEV;
 	fflags = snd_rawmidi_file_flags(file);
-	if ((file->f_flags & O_APPEND) || maj != CONFIG_SND_MAJOR) /* OSS emul? */
+	if ((file->f_flags & O_APPEND) || maj == SOUND_MAJOR) /* OSS emul? */
 		fflags |= SNDRV_RAWMIDI_LFLG_APPEND;
 	fflags |= SNDRV_RAWMIDI_LFLG_NOOPENLOCK;
 	rawmidi_file = kmalloc(sizeof(*rawmidi_file), GFP_KERNEL);
diff --git a/sound/core/rtctimer.c b/sound/core/rtctimer.c
index bd5d584d284..c3c18568207 100644
--- a/sound/core/rtctimer.c
+++ b/sound/core/rtctimer.c
@@ -60,7 +60,6 @@ static struct _snd_timer_hardware rtc_hw = {
 
 static int rtctimer_freq = RTC_FREQ;		/* frequency */
 static snd_timer_t *rtctimer;
-static atomic_t rtc_inc = ATOMIC_INIT(0);
 static rtc_task_t rtc_task;
 
 
@@ -94,7 +93,6 @@ rtctimer_start(snd_timer_t *timer)
 	snd_assert(rtc != NULL, return -EINVAL);
 	rtc_control(rtc, RTC_IRQP_SET, rtctimer_freq);
 	rtc_control(rtc, RTC_PIE_ON, 0);
-	atomic_set(&rtc_inc, 0);
 	return 0;
 }
 
@@ -112,12 +110,7 @@ rtctimer_stop(snd_timer_t *timer)
  */
 static void rtctimer_interrupt(void *private_data)
 {
-	int ticks;
-
-	atomic_inc(&rtc_inc);
-	ticks = atomic_read(&rtc_inc);
-	snd_timer_interrupt((snd_timer_t*)private_data, ticks);
-	atomic_sub(ticks, &rtc_inc);
+	snd_timer_interrupt(private_data, 1);
 }
 
 
@@ -126,17 +119,13 @@ static void rtctimer_interrupt(void *private_data)
  */
 static int __init rtctimer_init(void)
 {
-	int order, err;
+	int err;
 	snd_timer_t *timer;
 
-	if (rtctimer_freq < 2 || rtctimer_freq > 8192) {
-		snd_printk(KERN_ERR "rtctimer: invalid frequency %d\n", rtctimer_freq);
-		return -EINVAL;
-	}
-	for (order = 1; rtctimer_freq > order; order <<= 1)
-		;
-	if (rtctimer_freq != order) {
-		snd_printk(KERN_ERR "rtctimer: invalid frequency %d\n", rtctimer_freq);
+	if (rtctimer_freq < 2 || rtctimer_freq > 8192 ||
+	    (rtctimer_freq & (rtctimer_freq - 1)) != 0) {
+		snd_printk(KERN_ERR "rtctimer: invalid frequency %d\n",
+			   rtctimer_freq);
 		return -EINVAL;
 	}
 
@@ -145,6 +134,7 @@ static int __init rtctimer_init(void)
 	if (err < 0)
 		return err;
 
+	timer->module = THIS_MODULE;
 	strcpy(timer->name, "RTC timer");
 	timer->hw = rtc_hw;
 	timer->hw.resolution = NANO_SEC / rtctimer_freq;
diff --git a/sound/core/seq/seq_instr.c b/sound/core/seq/seq_instr.c
index 019d43a462d..1d525b13ebb 100644
--- a/sound/core/seq/seq_instr.c
+++ b/sound/core/seq/seq_instr.c
@@ -109,8 +109,7 @@ void snd_seq_instr_list_free(snd_seq_kinstr_list_t **list_ptr)
 			spin_lock_irqsave(&list->lock, flags);
 			while (instr->use) {
 				spin_unlock_irqrestore(&list->lock, flags);
-				set_current_state(TASK_INTERRUPTIBLE);
-				schedule_timeout(1);
+				schedule_timeout_interruptible(1);
 				spin_lock_irqsave(&list->lock, flags);
 			}				
 			spin_unlock_irqrestore(&list->lock, flags);
@@ -199,10 +198,8 @@ int snd_seq_instr_list_free_cond(snd_seq_kinstr_list_t *list,
 		while (flist) {
 			instr = flist;
 			flist = instr->next;
-			while (instr->use) {
-				set_current_state(TASK_INTERRUPTIBLE);
-				schedule_timeout(1);
-			}				
+			while (instr->use)
+				schedule_timeout_interruptible(1);
 			if (snd_seq_instr_free(instr, atomic)<0)
 				snd_printk(KERN_WARNING "instrument free problem\n");
 			instr = next;
@@ -554,8 +551,7 @@ static int instr_free(snd_seq_kinstr_ops_t *ops,
 			instr->ops->notify(instr->ops->private_data, instr, SNDRV_SEQ_INSTR_NOTIFY_REMOVE);
 		while (instr->use) {
 			spin_unlock_irqrestore(&list->lock, flags);
-			set_current_state(TASK_INTERRUPTIBLE);
-			schedule_timeout(1);
+			schedule_timeout_interruptible(1);
 			spin_lock_irqsave(&list->lock, flags);
 		}				
 		spin_unlock_irqrestore(&list->lock, flags);
diff --git a/sound/core/seq/seq_lock.c b/sound/core/seq/seq_lock.c
index b09cee058fa..a837a94b2d2 100644
--- a/sound/core/seq/seq_lock.c
+++ b/sound/core/seq/seq_lock.c
@@ -39,8 +39,7 @@ void snd_use_lock_sync_helper(snd_use_lock_t *lockp, const char *file, int line)
 			snd_printk(KERN_WARNING "seq_lock: timeout [%d left] in %s:%d\n", atomic_read(lockp), file, line);
 			break;
 		}
-		set_current_state(TASK_UNINTERRUPTIBLE);
-		schedule_timeout(1);
+		schedule_timeout_uninterruptible(1);
 		max_count--;
 	}
 }
diff --git a/sound/core/seq/seq_memory.c b/sound/core/seq/seq_memory.c
index d4d7d326c4b..8416bcffa09 100644
--- a/sound/core/seq/seq_memory.c
+++ b/sound/core/seq/seq_memory.c
@@ -423,8 +423,7 @@ int snd_seq_pool_done(pool_t *pool)
 			snd_printk(KERN_WARNING "snd_seq_pool_done timeout: %d cells remain\n", atomic_read(&pool->counter));
 			break;
 		}
-		set_current_state(TASK_UNINTERRUPTIBLE);
-		schedule_timeout(1);
+		schedule_timeout_uninterruptible(1);
 		max_count--;
 	}
 	
diff --git a/sound/core/seq/seq_midi.c b/sound/core/seq/seq_midi.c
index b4674ae3bc3..f89f40f4487 100644
--- a/sound/core/seq/seq_midi.c
+++ b/sound/core/seq/seq_midi.c
@@ -449,11 +449,9 @@ snd_seq_midisynth_unregister_port(snd_seq_device_t *dev)
 	client->ports_per_device[device] = 0;
 	msynth = client->ports[device];
 	client->ports[device] = NULL;
-	snd_runtime_check(msynth != NULL || ports <= 0, goto __skip);
 	for (p = 0; p < ports; p++)
 		snd_seq_midisynth_delete(&msynth[p]);
 	kfree(msynth);
-      __skip:
 	client->num_ports--;
 	if (client->num_ports <= 0) {
 		snd_seq_delete_kernel_client(client->seq_client);
diff --git a/sound/core/seq/seq_timer.c b/sound/core/seq/seq_timer.c
index b57a3c07ff6..65b64a7c456 100644
--- a/sound/core/seq/seq_timer.c
+++ b/sound/core/seq/seq_timer.c
@@ -34,10 +34,15 @@ extern int seq_default_timer_device;
 extern int seq_default_timer_subdevice;
 extern int seq_default_timer_resolution;
 
+/* allowed sequencer timer frequencies, in Hz */
+#define MIN_FREQUENCY		10
+#define MAX_FREQUENCY		6250
+#define DEFAULT_FREQUENCY	1000
+
 #define SKEW_BASE	0x10000	/* 16bit shift */
 
 static void snd_seq_timer_set_tick_resolution(seq_timer_tick_t *tick,
-					      int tempo, int ppq, int nticks)
+					      int tempo, int ppq)
 {
 	if (tempo < 1000000)
 		tick->resolution = (tempo * 1000) / ppq;
@@ -51,7 +56,6 @@ static void snd_seq_timer_set_tick_resolution(seq_timer_tick_t *tick,
 	}
 	if (tick->resolution <= 0)
 		tick->resolution = 1;
-	tick->resolution *= nticks;
 	snd_seq_timer_update_tick(tick, 0);
 }
 
@@ -100,7 +104,7 @@ void snd_seq_timer_defaults(seq_timer_t * tmr)
 	/* setup defaults */
 	tmr->ppq = 96;		/* 96 PPQ */
 	tmr->tempo = 500000;	/* 120 BPM */
-	snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq, 1);
+	snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq);
 	tmr->running = 0;
 
 	tmr->type = SNDRV_SEQ_TIMER_ALSA;
@@ -183,7 +187,7 @@ int snd_seq_timer_set_tempo(seq_timer_t * tmr, int tempo)
 	spin_lock_irqsave(&tmr->lock, flags);
 	if ((unsigned int)tempo != tmr->tempo) {
 		tmr->tempo = tempo;
-		snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq, 1);
+		snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq);
 	}
 	spin_unlock_irqrestore(&tmr->lock, flags);
 	return 0;
@@ -207,7 +211,7 @@ int snd_seq_timer_set_ppq(seq_timer_t * tmr, int ppq)
 	}
 
 	tmr->ppq = ppq;
-	snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq, 1);
+	snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq);
 	spin_unlock_irqrestore(&tmr->lock, flags);
 	return 0;
 }
@@ -326,17 +330,26 @@ int snd_seq_timer_stop(seq_timer_t * tmr)
 static int initialize_timer(seq_timer_t *tmr)
 {
 	snd_timer_t *t;
+	unsigned long freq;
+
 	t = tmr->timeri->timer;
 	snd_assert(t, return -EINVAL);
 
+	freq = tmr->preferred_resolution;
+	if (!freq)
+		freq = DEFAULT_FREQUENCY;
+	else if (freq < MIN_FREQUENCY)
+		freq = MIN_FREQUENCY;
+	else if (freq > MAX_FREQUENCY)
+		freq = MAX_FREQUENCY;
+
 	tmr->ticks = 1;
-	if (tmr->preferred_resolution &&
-	    ! (t->hw.flags & SNDRV_TIMER_HW_SLAVE)) {
+	if (!(t->hw.flags & SNDRV_TIMER_HW_SLAVE)) {
 		unsigned long r = t->hw.resolution;
 		if (! r && t->hw.c_resolution)
 			r = t->hw.c_resolution(t);
 		if (r) {
-			tmr->ticks = (unsigned int)(1000000000uL / (r * tmr->preferred_resolution));
+			tmr->ticks = (unsigned int)(1000000000uL / (r * freq));
 			if (! tmr->ticks)
 				tmr->ticks = 1;
 		}
diff --git a/sound/core/sound.c b/sound/core/sound.c
index b57519a3e3d..1139dd8ca8e 100644
--- a/sound/core/sound.c
+++ b/sound/core/sound.c
@@ -130,7 +130,7 @@ static int snd_open(struct inode *inode, struct file *file)
 	struct file_operations *old_fops;
 	int err = 0;
 
-	if (dev != SNDRV_MINOR_SEQUENCER && dev != SNDRV_MINOR_TIMER) {
+	if (dev != SNDRV_MINOR_GLOBAL) {
 		if (snd_cards[card] == NULL) {
 #ifdef CONFIG_KMOD
 			snd_request_card(card);
@@ -287,7 +287,7 @@ static void snd_minor_info_read(snd_info_entry_t *entry, snd_info_buffer_t * buf
 	for (card = 0; card < SNDRV_CARDS; card++) {
 		list_for_each(list, &snd_minors_hash[card]) {
 			mptr = list_entry(list, snd_minor_t, list);
-			if (SNDRV_MINOR_DEVICE(mptr->number) != SNDRV_MINOR_SEQUENCER) {
+			if (SNDRV_MINOR_DEVICE(mptr->number) != SNDRV_MINOR_GLOBAL) {
 				if ((device = mptr->device) >= 0)
 					snd_iprintf(buffer, "%3i: [%i-%2i]: %s\n", mptr->number, card, device, mptr->comment);
 				else
@@ -350,9 +350,7 @@ static int __init alsa_sound_init(void)
 		devfs_remove("snd");
 		return -EIO;
 	}
-	snd_memory_init();
 	if (snd_info_init() < 0) {
-		snd_memory_done();
 		unregister_chrdev(major, "alsa");
 		devfs_remove("snd");
 		return -ENOMEM;
@@ -381,7 +379,6 @@ static void __exit alsa_sound_exit(void)
 #endif
 	snd_info_minor_unregister();
 	snd_info_done();
-	snd_memory_done();
 	if (unregister_chrdev(major, "alsa") != 0)
 		snd_printk(KERN_ERR "unable to unregister major device number %d\n", major);
 	devfs_remove("snd");
@@ -403,14 +400,6 @@ EXPORT_SYMBOL(snd_register_oss_device);
 EXPORT_SYMBOL(snd_unregister_oss_device);
 #endif
   /* memory.c */
-#ifdef CONFIG_SND_DEBUG_MEMORY
-EXPORT_SYMBOL(snd_hidden_kmalloc);
-EXPORT_SYMBOL(snd_hidden_kcalloc);
-EXPORT_SYMBOL(snd_hidden_kfree);
-EXPORT_SYMBOL(snd_hidden_vmalloc);
-EXPORT_SYMBOL(snd_hidden_vfree);
-EXPORT_SYMBOL(snd_hidden_kstrdup);
-#endif
 EXPORT_SYMBOL(copy_to_user_fromio);
 EXPORT_SYMBOL(copy_from_user_toio);
   /* init.c */
@@ -487,17 +476,10 @@ EXPORT_SYMBOL(snd_ctl_unregister_ioctl_compat);
 EXPORT_SYMBOL(snd_ctl_elem_read);
 EXPORT_SYMBOL(snd_ctl_elem_write);
   /* misc.c */
-EXPORT_SYMBOL(snd_task_name);
+EXPORT_SYMBOL(release_and_free_resource);
 #ifdef CONFIG_SND_VERBOSE_PRINTK
 EXPORT_SYMBOL(snd_verbose_printk);
 #endif
 #if defined(CONFIG_SND_DEBUG) && defined(CONFIG_SND_VERBOSE_PRINTK)
 EXPORT_SYMBOL(snd_verbose_printd);
 #endif
-  /* wrappers */
-#ifdef CONFIG_SND_DEBUG_MEMORY
-EXPORT_SYMBOL(snd_wrapper_kmalloc);
-EXPORT_SYMBOL(snd_wrapper_kfree);
-EXPORT_SYMBOL(snd_wrapper_vmalloc);
-EXPORT_SYMBOL(snd_wrapper_vfree);
-#endif
diff --git a/sound/core/timer.c b/sound/core/timer.c
index 22b10462408..1b90a38d10f 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -55,7 +55,7 @@ MODULE_PARM_DESC(timer_limit, "Maximum global timers in system.");
 
 typedef struct {
 	snd_timer_instance_t *timeri;
-	int tread;			/* enhanced read with timestamps and events */
+	int tread;		/* enhanced read with timestamps and events */
 	unsigned long ticks;
 	unsigned long overrun;
 	int qhead;
@@ -95,7 +95,8 @@ static void snd_timer_reschedule(snd_timer_t * timer, unsigned long ticks_left);
  * create a timer instance with the given owner string.
  * when timer is not NULL, increments the module counter
  */
-static snd_timer_instance_t *snd_timer_instance_new(char *owner, snd_timer_t *timer)
+static snd_timer_instance_t *snd_timer_instance_new(char *owner,
+						    snd_timer_t *timer)
 {
 	snd_timer_instance_t *timeri;
 	timeri = kzalloc(sizeof(*timeri), GFP_KERNEL);
@@ -113,7 +114,7 @@ static snd_timer_instance_t *snd_timer_instance_new(char *owner, snd_timer_t *ti
 	INIT_LIST_HEAD(&timeri->slave_active_head);
 
 	timeri->timer = timer;
-	if (timer && timer->card && !try_module_get(timer->card->module)) {
+	if (timer && !try_module_get(timer->module)) {
 		kfree(timeri->owner);
 		kfree(timeri);
 		return NULL;
@@ -131,7 +132,7 @@ static snd_timer_t *snd_timer_find(snd_timer_id_t *tid)
 	struct list_head *p;
 
 	list_for_each(p, &snd_timer_list) {
-		timer = (snd_timer_t *)list_entry(p, snd_timer_t, device_list);
+		timer = list_entry(p, snd_timer_t, device_list);
 
 		if (timer->tmr_class != tid->dev_class)
 			continue;
@@ -186,13 +187,14 @@ static void snd_timer_check_slave(snd_timer_instance_t *slave)
 
 	/* FIXME: it's really dumb to look up all entries.. */
 	list_for_each(p, &snd_timer_list) {
-		timer = (snd_timer_t *)list_entry(p, snd_timer_t, device_list);
+		timer = list_entry(p, snd_timer_t, device_list);
 		list_for_each(q, &timer->open_list_head) {
-			master = (snd_timer_instance_t *)list_entry(q, snd_timer_instance_t, open_list);
+			master = list_entry(q, snd_timer_instance_t, open_list);
 			if (slave->slave_class == master->slave_class &&
 			    slave->slave_id == master->slave_id) {
 				list_del(&slave->open_list);
-				list_add_tail(&slave->open_list, &master->slave_list_head);
+				list_add_tail(&slave->open_list,
+					      &master->slave_list_head);
 				spin_lock_irq(&slave_active_lock);
 				slave->master = master;
 				slave->timer = master->timer;
@@ -216,7 +218,7 @@ static void snd_timer_check_master(snd_timer_instance_t *master)
 
 	/* check all pending slaves */
 	list_for_each_safe(p, n, &snd_timer_slave_list) {
-		slave = (snd_timer_instance_t *)list_entry(p, snd_timer_instance_t, open_list);
+		slave = list_entry(p, snd_timer_instance_t, open_list);
 		if (slave->slave_class == master->slave_class &&
 		    slave->slave_id == master->slave_id) {
 			list_del(p);
@@ -225,7 +227,8 @@ static void snd_timer_check_master(snd_timer_instance_t *master)
 			slave->master = master;
 			slave->timer = master->timer;
 			if (slave->flags & SNDRV_TIMER_IFLG_RUNNING)
-				list_add_tail(&slave->active_list, &master->slave_active_head);
+				list_add_tail(&slave->active_list,
+					      &master->slave_active_head);
 			spin_unlock_irq(&slave_active_lock);
 		}
 	}
@@ -241,7 +244,7 @@ int snd_timer_open(snd_timer_instance_t **ti,
 {
 	snd_timer_t *timer;
 	snd_timer_instance_t *timeri = NULL;
-	
+
 	if (tid->dev_class == SNDRV_TIMER_CLASS_SLAVE) {
 		/* open a slave instance */
 		if (tid->dev_sclass <= SNDRV_TIMER_SCLASS_NONE ||
@@ -251,6 +254,10 @@ int snd_timer_open(snd_timer_instance_t **ti,
 		}
 		down(&register_mutex);
 		timeri = snd_timer_instance_new(owner, NULL);
+		if (!timeri) {
+			up(&register_mutex);
+			return -ENOMEM;
+		}
 		timeri->slave_class = tid->dev_sclass;
 		timeri->slave_id = tid->device;
 		timeri->flags |= SNDRV_TIMER_IFLG_SLAVE;
@@ -272,33 +279,36 @@ int snd_timer_open(snd_timer_instance_t **ti,
 		timer = snd_timer_find(tid);
 	}
 #endif
-	if (timer) {
-		if (!list_empty(&timer->open_list_head)) {
-			timeri = (snd_timer_instance_t *)list_entry(timer->open_list_head.next, snd_timer_instance_t, open_list);
-			if (timeri->flags & SNDRV_TIMER_IFLG_EXCLUSIVE) {
-				up(&register_mutex);
-				return -EBUSY;
-			}
-		}
-		timeri = snd_timer_instance_new(owner, timer);
-		if (timeri) {
-			timeri->slave_class = tid->dev_sclass;
-			timeri->slave_id = slave_id;
-			if (list_empty(&timer->open_list_head) && timer->hw.open)
-				timer->hw.open(timer);
-			list_add_tail(&timeri->open_list, &timer->open_list_head);
-			snd_timer_check_master(timeri);
-		}
-	} else {
+	if (!timer) {
 		up(&register_mutex);
 		return -ENODEV;
 	}
+	if (!list_empty(&timer->open_list_head)) {
+		timeri = list_entry(timer->open_list_head.next,
+				    snd_timer_instance_t, open_list);
+		if (timeri->flags & SNDRV_TIMER_IFLG_EXCLUSIVE) {
+			up(&register_mutex);
+			return -EBUSY;
+		}
+	}
+	timeri = snd_timer_instance_new(owner, timer);
+	if (!timeri) {
+		up(&register_mutex);
+		return -ENOMEM;
+	}
+	timeri->slave_class = tid->dev_sclass;
+	timeri->slave_id = slave_id;
+	if (list_empty(&timer->open_list_head) && timer->hw.open)
+		timer->hw.open(timer);
+	list_add_tail(&timeri->open_list, &timer->open_list_head);
+	snd_timer_check_master(timeri);
 	up(&register_mutex);
 	*ti = timeri;
 	return 0;
 }
 
-static int _snd_timer_stop(snd_timer_instance_t * timeri, int keep_flag, enum sndrv_timer_event event);
+static int _snd_timer_stop(snd_timer_instance_t * timeri,
+			   int keep_flag, enum sndrv_timer_event event);
 
 /*
  * close a timer instance
@@ -338,11 +348,12 @@ int snd_timer_close(snd_timer_instance_t * timeri)
 		spin_unlock_irq(&timer->lock);
 		down(&register_mutex);
 		list_del(&timeri->open_list);
-		if (timer && list_empty(&timer->open_list_head) && timer->hw.close)
+		if (timer && list_empty(&timer->open_list_head) &&
+		    timer->hw.close)
 			timer->hw.close(timer);
 		/* remove slave links */
 		list_for_each_safe(p, n, &timeri->slave_list_head) {
-			slave = (snd_timer_instance_t *)list_entry(p, snd_timer_instance_t, open_list);
+			slave = list_entry(p, snd_timer_instance_t, open_list);
 			spin_lock_irq(&slave_active_lock);
 			_snd_timer_stop(slave, 1, SNDRV_TIMER_EVENT_RESOLUTION);
 			list_del(p);
@@ -357,8 +368,8 @@ int snd_timer_close(snd_timer_instance_t * timeri)
 		timeri->private_free(timeri);
 	kfree(timeri->owner);
 	kfree(timeri);
-	if (timer && timer->card)
-		module_put(timer->card->module);
+	if (timer)
+		module_put(timer->module);
 	return 0;
 }
 
@@ -376,7 +387,8 @@ unsigned long snd_timer_resolution(snd_timer_instance_t * timeri)
 	return 0;
 }
 
-static void snd_timer_notify1(snd_timer_instance_t *ti, enum sndrv_timer_event event)
+static void snd_timer_notify1(snd_timer_instance_t *ti,
+			      enum sndrv_timer_event event)
 {
 	snd_timer_t *timer;
 	unsigned long flags;
@@ -385,9 +397,11 @@ static void snd_timer_notify1(snd_timer_instance_t *ti, enum sndrv_timer_event e
 	struct list_head *n;
 	struct timespec tstamp;
 
-	snd_timestamp_now(&tstamp, 1);
-	snd_assert(event >= SNDRV_TIMER_EVENT_START && event <= SNDRV_TIMER_EVENT_PAUSE, return);
-	if (event == SNDRV_TIMER_EVENT_START || event == SNDRV_TIMER_EVENT_CONTINUE)
+	getnstimeofday(&tstamp);
+	snd_assert(event >= SNDRV_TIMER_EVENT_START &&
+		   event <= SNDRV_TIMER_EVENT_PAUSE, return);
+	if (event == SNDRV_TIMER_EVENT_START ||
+	    event == SNDRV_TIMER_EVENT_CONTINUE)
 		resolution = snd_timer_resolution(ti);
 	if (ti->ccallback)
 		ti->ccallback(ti, SNDRV_TIMER_EVENT_START, &tstamp, resolution);
@@ -400,14 +414,15 @@ static void snd_timer_notify1(snd_timer_instance_t *ti, enum sndrv_timer_event e
 		return;
 	spin_lock_irqsave(&timer->lock, flags);
 	list_for_each(n, &ti->slave_active_head) {
-		ts = (snd_timer_instance_t *)list_entry(n, snd_timer_instance_t, active_list);
+		ts = list_entry(n, snd_timer_instance_t, active_list);
 		if (ts->ccallback)
 			ts->ccallback(ti, event + 100, &tstamp, resolution);
 	}
 	spin_unlock_irqrestore(&timer->lock, flags);
 }
 
-static int snd_timer_start1(snd_timer_t *timer, snd_timer_instance_t *timeri, unsigned long sticks)
+static int snd_timer_start1(snd_timer_t *timer, snd_timer_instance_t *timeri,
+			    unsigned long sticks)
 {
 	list_del(&timeri->active_list);
 	list_add_tail(&timeri->active_list, &timer->active_list_head);
@@ -434,14 +449,15 @@ static int snd_timer_start_slave(snd_timer_instance_t *timeri)
 	spin_lock_irqsave(&slave_active_lock, flags);
 	timeri->flags |= SNDRV_TIMER_IFLG_RUNNING;
 	if (timeri->master)
-		list_add_tail(&timeri->active_list, &timeri->master->slave_active_head);
+		list_add_tail(&timeri->active_list,
+			      &timeri->master->slave_active_head);
 	spin_unlock_irqrestore(&slave_active_lock, flags);
 	return 1; /* delayed start */
 }
 
 /*
  *  start the timer instance
- */ 
+ */
 int snd_timer_start(snd_timer_instance_t * timeri, unsigned int ticks)
 {
 	snd_timer_t *timer;
@@ -467,7 +483,8 @@ int snd_timer_start(snd_timer_instance_t * timeri, unsigned int ticks)
 	return result;
 }
 
-static int _snd_timer_stop(snd_timer_instance_t * timeri, int keep_flag, enum sndrv_timer_event event)
+static int _snd_timer_stop(snd_timer_instance_t * timeri,
+			   int keep_flag, enum sndrv_timer_event event)
 {
 	snd_timer_t *timer;
 	unsigned long flags;
@@ -501,7 +518,8 @@ static int _snd_timer_stop(snd_timer_instance_t * timeri, int keep_flag, enum sn
 		}
 	}
 	if (!keep_flag)
-		timeri->flags &= ~(SNDRV_TIMER_IFLG_RUNNING|SNDRV_TIMER_IFLG_START);
+		timeri->flags &=
+			~(SNDRV_TIMER_IFLG_RUNNING | SNDRV_TIMER_IFLG_START);
 	spin_unlock_irqrestore(&timer->lock, flags);
       __end:
 	if (event != SNDRV_TIMER_EVENT_RESOLUTION)
@@ -578,7 +596,7 @@ static void snd_timer_reschedule(snd_timer_t * timer, unsigned long ticks_left)
 	struct list_head *p;
 
 	list_for_each(p, &timer->active_list_head) {
-		ti = (snd_timer_instance_t *)list_entry(p, snd_timer_instance_t, active_list);
+		ti = list_entry(p, snd_timer_instance_t, active_list);
 		if (ti->flags & SNDRV_TIMER_IFLG_START) {
 			ti->flags &= ~SNDRV_TIMER_IFLG_START;
 			ti->flags |= SNDRV_TIMER_IFLG_RUNNING;
@@ -615,11 +633,11 @@ static void snd_timer_tasklet(unsigned long arg)
 	/* now process all callbacks */
 	while (!list_empty(&timer->sack_list_head)) {
 		p = timer->sack_list_head.next;		/* get first item */
-		ti = (snd_timer_instance_t *)list_entry(p, snd_timer_instance_t, ack_list);
+		ti = list_entry(p, snd_timer_instance_t, ack_list);
 
 		/* remove from ack_list and make empty */
 		list_del_init(p);
-		
+
 		ticks = ti->pticks;
 		ti->pticks = 0;
 		resolution = ti->resolution;
@@ -644,7 +662,7 @@ void snd_timer_interrupt(snd_timer_t * timer, unsigned long ticks_left)
 {
 	snd_timer_instance_t *ti, *ts;
 	unsigned long resolution, ticks;
-	struct list_head *p, *q, *n;
+	struct list_head *p, *q, *n, *ack_list_head;
 	int use_tasklet = 0;
 
 	if (timer == NULL)
@@ -659,11 +677,12 @@ void snd_timer_interrupt(snd_timer_t * timer, unsigned long ticks_left)
 		resolution = timer->hw.resolution;
 
 	/* loop for all active instances
-	 * here we cannot use list_for_each because the active_list of a processed
-	 * instance is relinked to done_list_head before callback is called.
+	 * Here we cannot use list_for_each because the active_list of a
+	 * processed instance is relinked to done_list_head before the callback
+	 * is called.
 	 */
 	list_for_each_safe(p, n, &timer->active_list_head) {
-		ti = (snd_timer_instance_t *)list_entry(p, snd_timer_instance_t, active_list);
+		ti = list_entry(p, snd_timer_instance_t, active_list);
 		if (!(ti->flags & SNDRV_TIMER_IFLG_RUNNING))
 			continue;
 		ti->pticks += ticks_left;
@@ -681,26 +700,19 @@ void snd_timer_interrupt(snd_timer_t * timer, unsigned long ticks_left)
 			if (--timer->running)
 				list_del(p);
 		}
-		if (list_empty(&ti->ack_list)) {
-			if ((timer->hw.flags & SNDRV_TIMER_HW_TASKLET) ||
-			    (ti->flags & SNDRV_TIMER_IFLG_FAST)) {
-				list_add_tail(&ti->ack_list, &timer->ack_list_head);
-			} else {
-				list_add_tail(&ti->ack_list, &timer->sack_list_head);
-			}
-		}
+		if ((timer->hw.flags & SNDRV_TIMER_HW_TASKLET) ||
+		    (ti->flags & SNDRV_TIMER_IFLG_FAST))
+			ack_list_head = &timer->ack_list_head;
+		else
+			ack_list_head = &timer->sack_list_head;
+		if (list_empty(&ti->ack_list))
+			list_add_tail(&ti->ack_list, ack_list_head);
 		list_for_each(q, &ti->slave_active_head) {
-			ts = (snd_timer_instance_t *)list_entry(q, snd_timer_instance_t, active_list);
+			ts = list_entry(q, snd_timer_instance_t, active_list);
 			ts->pticks = ti->pticks;
 			ts->resolution = resolution;
-			if (list_empty(&ts->ack_list)) {
-				if ((timer->hw.flags & SNDRV_TIMER_HW_TASKLET) ||
-				    (ti->flags & SNDRV_TIMER_IFLG_FAST)) {
-					list_add_tail(&ts->ack_list, &timer->ack_list_head);
-				} else {
-					list_add_tail(&ts->ack_list, &timer->sack_list_head);
-				}
-			}
+			if (list_empty(&ts->ack_list))
+				list_add_tail(&ts->ack_list, ack_list_head);
 		}
 	}
 	if (timer->flags & SNDRV_TIMER_FLG_RESCHED)
@@ -723,11 +735,11 @@ void snd_timer_interrupt(snd_timer_t * timer, unsigned long ticks_left)
 	/* now process all fast callbacks */
 	while (!list_empty(&timer->ack_list_head)) {
 		p = timer->ack_list_head.next;		/* get first item */
-		ti = (snd_timer_instance_t *)list_entry(p, snd_timer_instance_t, ack_list);
-		
+		ti = list_entry(p, snd_timer_instance_t, ack_list);
+
 		/* remove from ack_list and make empty */
 		list_del_init(p);
-		
+
 		ticks = ti->pticks;
 		ti->pticks = 0;
 
@@ -751,7 +763,8 @@ void snd_timer_interrupt(snd_timer_t * timer, unsigned long ticks_left)
 
  */
 
-int snd_timer_new(snd_card_t *card, char *id, snd_timer_id_t *tid, snd_timer_t ** rtimer)
+int snd_timer_new(snd_card_t *card, char *id, snd_timer_id_t *tid,
+		  snd_timer_t **rtimer)
 {
 	snd_timer_t *timer;
 	int err;
@@ -779,9 +792,12 @@ int snd_timer_new(snd_card_t *card, char *id, snd_timer_id_t *tid, snd_timer_t *
 	INIT_LIST_HEAD(&timer->ack_list_head);
 	INIT_LIST_HEAD(&timer->sack_list_head);
 	spin_lock_init(&timer->lock);
-	tasklet_init(&timer->task_queue, snd_timer_tasklet, (unsigned long)timer);
+	tasklet_init(&timer->task_queue, snd_timer_tasklet,
+		     (unsigned long)timer);
 	if (card != NULL) {
-		if ((err = snd_device_new(card, SNDRV_DEV_TIMER, timer, &ops)) < 0) {
+		timer->module = card->module;
+		err = snd_device_new(card, SNDRV_DEV_TIMER, timer, &ops);
+		if (err < 0) {
 			snd_timer_free(timer);
 			return err;
 		}
@@ -811,14 +827,15 @@ static int snd_timer_dev_register(snd_device_t *dev)
 	snd_timer_t *timer1;
 	struct list_head *p;
 
-	snd_assert(timer != NULL && timer->hw.start != NULL && timer->hw.stop != NULL, return -ENXIO);
+	snd_assert(timer != NULL && timer->hw.start != NULL &&
+		   timer->hw.stop != NULL, return -ENXIO);
 	if (!(timer->hw.flags & SNDRV_TIMER_HW_SLAVE) &&
 	    !timer->hw.resolution && timer->hw.c_resolution == NULL)
 	    	return -EINVAL;
 
 	down(&register_mutex);
 	list_for_each(p, &snd_timer_list) {
-		timer1 = (snd_timer_t *)list_entry(p, snd_timer_t, device_list);
+		timer1 = list_entry(p, snd_timer_t, device_list);
 		if (timer1->tmr_class > timer->tmr_class)
 			break;
 		if (timer1->tmr_class < timer->tmr_class)
@@ -857,7 +874,7 @@ static int snd_timer_unregister(snd_timer_t *timer)
 		snd_printk(KERN_WARNING "timer 0x%lx is busy?\n", (long)timer);
 		list_for_each_safe(p, n, &timer->open_list_head) {
 			list_del_init(p);
-			ti = (snd_timer_instance_t *)list_entry(p, snd_timer_instance_t, open_list);
+			ti = list_entry(p, snd_timer_instance_t, open_list);
 			ti->timer = NULL;
 		}
 	}
@@ -872,15 +889,18 @@ static int snd_timer_dev_unregister(snd_device_t *device)
 	return snd_timer_unregister(timer);
 }
 
-void snd_timer_notify(snd_timer_t *timer, enum sndrv_timer_event event, struct timespec *tstamp)
+void snd_timer_notify(snd_timer_t *timer, enum sndrv_timer_event event,
+		      struct timespec *tstamp)
 {
 	unsigned long flags;
 	unsigned long resolution = 0;
 	snd_timer_instance_t *ti, *ts;
 	struct list_head *p, *n;
 
-	snd_runtime_check(timer->hw.flags & SNDRV_TIMER_HW_SLAVE, return);	
-	snd_assert(event >= SNDRV_TIMER_EVENT_MSTART && event <= SNDRV_TIMER_EVENT_MRESUME, return);
+	if (! (timer->hw.flags & SNDRV_TIMER_HW_SLAVE))
+		return;
+	snd_assert(event >= SNDRV_TIMER_EVENT_MSTART &&
+		   event <= SNDRV_TIMER_EVENT_MRESUME, return);
 	spin_lock_irqsave(&timer->lock, flags);
 	if (event == SNDRV_TIMER_EVENT_MSTART ||
 	    event == SNDRV_TIMER_EVENT_MCONTINUE ||
@@ -891,11 +911,11 @@ void snd_timer_notify(snd_timer_t *timer, enum sndrv_timer_event event, struct t
 			resolution = timer->hw.resolution;
 	}
 	list_for_each(p, &timer->active_list_head) {
-		ti = (snd_timer_instance_t *)list_entry(p, snd_timer_instance_t, active_list);
+		ti = list_entry(p, snd_timer_instance_t, active_list);
 		if (ti->ccallback)
 			ti->ccallback(ti, event, tstamp, resolution);
 		list_for_each(n, &ti->slave_active_head) {
-			ts = (snd_timer_instance_t *)list_entry(n, snd_timer_instance_t, active_list);
+			ts = list_entry(n, snd_timer_instance_t, active_list);
 			if (ts->ccallback)
 				ts->ccallback(ts, event, tstamp, resolution);
 		}
@@ -909,7 +929,7 @@ void snd_timer_notify(snd_timer_t *timer, enum sndrv_timer_event event, struct t
 int snd_timer_global_new(char *id, int device, snd_timer_t **rtimer)
 {
 	snd_timer_id_t tid;
-	
+
 	tid.dev_class = SNDRV_TIMER_CLASS_GLOBAL;
 	tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;
 	tid.card = -1;
@@ -937,7 +957,7 @@ int snd_timer_global_unregister(snd_timer_t *timer)
 	return snd_timer_unregister(timer);
 }
 
-/* 
+/*
  *  System timer
  */
 
@@ -1013,7 +1033,8 @@ static int snd_timer_register_system(void)
 	struct snd_timer_system_private *priv;
 	int err;
 
-	if ((err = snd_timer_global_new("system", SNDRV_TIMER_GLOBAL_SYSTEM, &timer)) < 0)
+	err = snd_timer_global_new("system", SNDRV_TIMER_GLOBAL_SYSTEM, &timer);
+	if (err < 0)
 		return err;
 	strcpy(timer->name, "system timer");
 	timer->hw = snd_timer_system;
@@ -1044,33 +1065,41 @@ static void snd_timer_proc_read(snd_info_entry_t *entry,
 
 	down(&register_mutex);
 	list_for_each(p, &snd_timer_list) {
-		timer = (snd_timer_t *)list_entry(p, snd_timer_t, device_list);
+		timer = list_entry(p, snd_timer_t, device_list);
 		switch (timer->tmr_class) {
 		case SNDRV_TIMER_CLASS_GLOBAL:
 			snd_iprintf(buffer, "G%i: ", timer->tmr_device);
 			break;
 		case SNDRV_TIMER_CLASS_CARD:
-			snd_iprintf(buffer, "C%i-%i: ", timer->card->number, timer->tmr_device);
+			snd_iprintf(buffer, "C%i-%i: ",
+				    timer->card->number, timer->tmr_device);
 			break;
 		case SNDRV_TIMER_CLASS_PCM:
-			snd_iprintf(buffer, "P%i-%i-%i: ", timer->card->number, timer->tmr_device, timer->tmr_subdevice);
+			snd_iprintf(buffer, "P%i-%i-%i: ", timer->card->number,
+				    timer->tmr_device, timer->tmr_subdevice);
 			break;
 		default:
-			snd_iprintf(buffer, "?%i-%i-%i-%i: ", timer->tmr_class, timer->card ? timer->card->number : -1, timer->tmr_device, timer->tmr_subdevice);
+			snd_iprintf(buffer, "?%i-%i-%i-%i: ", timer->tmr_class,
+				    timer->card ? timer->card->number : -1,
+				    timer->tmr_device, timer->tmr_subdevice);
 		}
 		snd_iprintf(buffer, "%s :", timer->name);
 		if (timer->hw.resolution)
-			snd_iprintf(buffer, " %lu.%03luus (%lu ticks)", timer->hw.resolution / 1000, timer->hw.resolution % 1000, timer->hw.ticks);
+			snd_iprintf(buffer, " %lu.%03luus (%lu ticks)",
+				    timer->hw.resolution / 1000,
+				    timer->hw.resolution % 1000,
+				    timer->hw.ticks);
 		if (timer->hw.flags & SNDRV_TIMER_HW_SLAVE)
 			snd_iprintf(buffer, " SLAVE");
 		snd_iprintf(buffer, "\n");
 		spin_lock_irqsave(&timer->lock, flags);
 		list_for_each(q, &timer->open_list_head) {
-			ti = (snd_timer_instance_t *)list_entry(q, snd_timer_instance_t, open_list);
-			snd_iprintf(buffer, "  Client %s : %s : lost interrupts %li\n",
-					ti->owner ? ti->owner : "unknown",
-					ti->flags & (SNDRV_TIMER_IFLG_START|SNDRV_TIMER_IFLG_RUNNING) ? "running" : "stopped",
-					ti->lost);
+			ti = list_entry(q, snd_timer_instance_t, open_list);
+			snd_iprintf(buffer, "  Client %s : %s\n",
+				    ti->owner ? ti->owner : "unknown",
+				    ti->flags & (SNDRV_TIMER_IFLG_START |
+						 SNDRV_TIMER_IFLG_RUNNING)
+				    ? "running" : "stopped");
 		}
 		spin_unlock_irqrestore(&timer->lock, flags);
 	}
@@ -1088,7 +1117,7 @@ static void snd_timer_user_interrupt(snd_timer_instance_t *timeri,
 	snd_timer_user_t *tu = timeri->callback_data;
 	snd_timer_read_t *r;
 	int prev;
-	
+
 	spin_lock(&tu->qlock);
 	if (tu->qused > 0) {
 		prev = tu->qtail == 0 ? tu->queue_size - 1 : tu->qtail - 1;
@@ -1113,7 +1142,8 @@ static void snd_timer_user_interrupt(snd_timer_instance_t *timeri,
 	wake_up(&tu->qchange_sleep);
 }
 
-static void snd_timer_user_append_to_tqueue(snd_timer_user_t *tu, snd_timer_tread_t *tread)
+static void snd_timer_user_append_to_tqueue(snd_timer_user_t *tu,
+					    snd_timer_tread_t *tread)
 {
 	if (tu->qused >= tu->queue_size) {
 		tu->overrun++;
@@ -1132,7 +1162,8 @@ static void snd_timer_user_ccallback(snd_timer_instance_t *timeri,
 	snd_timer_user_t *tu = timeri->callback_data;
 	snd_timer_tread_t r1;
 
-	if (event >= SNDRV_TIMER_EVENT_START && event <= SNDRV_TIMER_EVENT_PAUSE)
+	if (event >= SNDRV_TIMER_EVENT_START &&
+	    event <= SNDRV_TIMER_EVENT_PAUSE)
 		tu->tstamp = *tstamp;
 	if ((tu->filter & (1 << event)) == 0 || !tu->tread)
 		return;
@@ -1155,15 +1186,17 @@ static void snd_timer_user_tinterrupt(snd_timer_instance_t *timeri,
 	struct timespec tstamp;
 	int prev, append = 0;
 
-	snd_timestamp_zero(&tstamp);
+	memset(&tstamp, 0, sizeof(tstamp));
 	spin_lock(&tu->qlock);
-	if ((tu->filter & ((1 << SNDRV_TIMER_EVENT_RESOLUTION)|(1 << SNDRV_TIMER_EVENT_TICK))) == 0) {
+	if ((tu->filter & ((1 << SNDRV_TIMER_EVENT_RESOLUTION) |
+			   (1 << SNDRV_TIMER_EVENT_TICK))) == 0) {
 		spin_unlock(&tu->qlock);
 		return;
 	}
 	if (tu->last_resolution != resolution || ticks > 0)
-		snd_timestamp_now(&tstamp, 1);
-	if ((tu->filter & (1 << SNDRV_TIMER_EVENT_RESOLUTION)) && tu->last_resolution != resolution) {
+		getnstimeofday(&tstamp);
+	if ((tu->filter & (1 << SNDRV_TIMER_EVENT_RESOLUTION)) &&
+	    tu->last_resolution != resolution) {
 		r1.event = SNDRV_TIMER_EVENT_RESOLUTION;
 		r1.tstamp = tstamp;
 		r1.val = resolution;
@@ -1201,7 +1234,7 @@ static void snd_timer_user_tinterrupt(snd_timer_instance_t *timeri,
 static int snd_timer_user_open(struct inode *inode, struct file *file)
 {
 	snd_timer_user_t *tu;
-	
+
 	tu = kzalloc(sizeof(*tu), GFP_KERNEL);
 	if (tu == NULL)
 		return -ENOMEM;
@@ -1210,7 +1243,8 @@ static int snd_timer_user_open(struct inode *inode, struct file *file)
 	init_MUTEX(&tu->tread_sem);
 	tu->ticks = 1;
 	tu->queue_size = 128;
-	tu->queue = (snd_timer_read_t *)kmalloc(tu->queue_size * sizeof(snd_timer_read_t), GFP_KERNEL);
+	tu->queue = kmalloc(tu->queue_size * sizeof(snd_timer_read_t),
+			    GFP_KERNEL);
 	if (tu->queue == NULL) {
 		kfree(tu);
 		return -ENOMEM;
@@ -1259,7 +1293,7 @@ static int snd_timer_user_next_device(snd_timer_id_t __user *_tid)
 	snd_timer_id_t id;
 	snd_timer_t *timer;
 	struct list_head *p;
-	
+
 	if (copy_from_user(&id, _tid, sizeof(id)))
 		return -EFAULT;
 	down(&register_mutex);
@@ -1267,7 +1301,8 @@ static int snd_timer_user_next_device(snd_timer_id_t __user *_tid)
 		if (list_empty(&snd_timer_list))
 			snd_timer_user_zero_id(&id);
 		else {
-			timer = (snd_timer_t *)list_entry(snd_timer_list.next, snd_timer_t, device_list);
+			timer = list_entry(snd_timer_list.next,
+					   snd_timer_t, device_list);
 			snd_timer_user_copy_id(&id, timer);
 		}
 	} else {
@@ -1275,7 +1310,7 @@ static int snd_timer_user_next_device(snd_timer_id_t __user *_tid)
 		case SNDRV_TIMER_CLASS_GLOBAL:
 			id.device = id.device < 0 ? 0 : id.device + 1;
 			list_for_each(p, &snd_timer_list) {
-				timer = (snd_timer_t *)list_entry(p, snd_timer_t, device_list);
+				timer = list_entry(p, snd_timer_t, device_list);
 				if (timer->tmr_class > SNDRV_TIMER_CLASS_GLOBAL) {
 					snd_timer_user_copy_id(&id, timer);
 					break;
@@ -1299,12 +1334,16 @@ static int snd_timer_user_next_device(snd_timer_id_t __user *_tid)
 					if (id.device < 0) {
 						id.device = 0;
 					} else {
-						id.subdevice = id.subdevice < 0 ? 0 : id.subdevice + 1;
+						if (id.subdevice < 0) {
+							id.subdevice = 0;
+						} else {
+							id.subdevice++;
+						}
 					}
 				}
 			}
 			list_for_each(p, &snd_timer_list) {
-				timer = (snd_timer_t *)list_entry(p, snd_timer_t, device_list);
+				timer = list_entry(p, snd_timer_t, device_list);
 				if (timer->tmr_class > id.dev_class) {
 					snd_timer_user_copy_id(&id, timer);
 					break;
@@ -1343,9 +1382,10 @@ static int snd_timer_user_next_device(snd_timer_id_t __user *_tid)
 	if (copy_to_user(_tid, &id, sizeof(*_tid)))
 		return -EFAULT;
 	return 0;
-} 
+}
 
-static int snd_timer_user_ginfo(struct file *file, snd_timer_ginfo_t __user *_ginfo)
+static int snd_timer_user_ginfo(struct file *file,
+				snd_timer_ginfo_t __user *_ginfo)
 {
 	snd_timer_ginfo_t *ginfo;
 	snd_timer_id_t tid;
@@ -1389,7 +1429,8 @@ static int snd_timer_user_ginfo(struct file *file, snd_timer_ginfo_t __user *_gi
 	return err;
 }
 
-static int snd_timer_user_gparams(struct file *file, snd_timer_gparams_t __user *_gparams)
+static int snd_timer_user_gparams(struct file *file,
+				  snd_timer_gparams_t __user *_gparams)
 {
 	snd_timer_gparams_t gparams;
 	snd_timer_t *t;
@@ -1399,23 +1440,26 @@ static int snd_timer_user_gparams(struct file *file, snd_timer_gparams_t __user
 		return -EFAULT;
 	down(&register_mutex);
 	t = snd_timer_find(&gparams.tid);
-	if (t != NULL) {
-		if (list_empty(&t->open_list_head)) {
-			if (t->hw.set_period)
-				err = t->hw.set_period(t, gparams.period_num, gparams.period_den);
-			else
-				err = -ENOSYS;
-		} else {
-			err = -EBUSY;
-		}
-	} else {
+	if (!t) {
 		err = -ENODEV;
+		goto _error;
+	}
+	if (!list_empty(&t->open_list_head)) {
+		err = -EBUSY;
+		goto _error;
 	}
+	if (!t->hw.set_period) {
+		err = -ENOSYS;
+		goto _error;
+	}
+	err = t->hw.set_period(t, gparams.period_num, gparams.period_den);
+_error:
 	up(&register_mutex);
 	return err;
 }
 
-static int snd_timer_user_gstatus(struct file *file, snd_timer_gstatus_t __user *_gstatus)
+static int snd_timer_user_gstatus(struct file *file,
+				  snd_timer_gstatus_t __user *_gstatus)
 {
 	snd_timer_gstatus_t gstatus;
 	snd_timer_id_t tid;
@@ -1435,7 +1479,8 @@ static int snd_timer_user_gstatus(struct file *file, snd_timer_gstatus_t __user
 		else
 			gstatus.resolution = t->hw.resolution;
 		if (t->hw.precise_resolution) {
-			t->hw.precise_resolution(t, &gstatus.resolution_num, &gstatus.resolution_den);
+			t->hw.precise_resolution(t, &gstatus.resolution_num,
+						 &gstatus.resolution_den);
 		} else {
 			gstatus.resolution_num = gstatus.resolution;
 			gstatus.resolution_den = 1000000000uL;
@@ -1449,13 +1494,14 @@ static int snd_timer_user_gstatus(struct file *file, snd_timer_gstatus_t __user
 	return err;
 }
 
-static int snd_timer_user_tselect(struct file *file, snd_timer_select_t __user *_tselect)
+static int snd_timer_user_tselect(struct file *file,
+				  snd_timer_select_t __user *_tselect)
 {
 	snd_timer_user_t *tu;
 	snd_timer_select_t tselect;
 	char str[32];
 	int err = 0;
-	
+
 	tu = file->private_data;
 	down(&tu->tread_sem);
 	if (tu->timeri) {
@@ -1469,7 +1515,8 @@ static int snd_timer_user_tselect(struct file *file, snd_timer_select_t __user *
 	sprintf(str, "application %i", current->pid);
 	if (tselect.id.dev_class != SNDRV_TIMER_CLASS_SLAVE)
 		tselect.id.dev_sclass = SNDRV_TIMER_SCLASS_APPLICATION;
-	if ((err = snd_timer_open(&tu->timeri, str, &tselect.id, current->pid)) < 0)
+	err = snd_timer_open(&tu->timeri, str, &tselect.id, current->pid);
+	if (err < 0)
 		goto __err;
 
 	kfree(tu->queue);
@@ -1477,21 +1524,24 @@ static int snd_timer_user_tselect(struct file *file, snd_timer_select_t __user *
 	kfree(tu->tqueue);
 	tu->tqueue = NULL;
 	if (tu->tread) {
-		tu->tqueue = (snd_timer_tread_t *)kmalloc(tu->queue_size * sizeof(snd_timer_tread_t), GFP_KERNEL);
+		tu->tqueue = kmalloc(tu->queue_size * sizeof(snd_timer_tread_t),
+				     GFP_KERNEL);
 		if (tu->tqueue == NULL)
 			err = -ENOMEM;
 	} else {
-		tu->queue = (snd_timer_read_t *)kmalloc(tu->queue_size * sizeof(snd_timer_read_t), GFP_KERNEL);
+		tu->queue = kmalloc(tu->queue_size * sizeof(snd_timer_read_t),
+				    GFP_KERNEL);
 		if (tu->queue == NULL)
 			err = -ENOMEM;
 	}
-	
+
       	if (err < 0) {
 		snd_timer_close(tu->timeri);
       		tu->timeri = NULL;
       	} else {
 		tu->timeri->flags |= SNDRV_TIMER_IFLG_FAST;
-		tu->timeri->callback = tu->tread ? snd_timer_user_tinterrupt : snd_timer_user_interrupt;
+		tu->timeri->callback = tu->tread
+			? snd_timer_user_tinterrupt : snd_timer_user_interrupt;
 		tu->timeri->ccallback = snd_timer_user_ccallback;
 		tu->timeri->callback_data = (void *)tu;
 	}
@@ -1501,7 +1551,8 @@ static int snd_timer_user_tselect(struct file *file, snd_timer_select_t __user *
 	return err;
 }
 
-static int snd_timer_user_info(struct file *file, snd_timer_info_t __user *_info)
+static int snd_timer_user_info(struct file *file,
+			       snd_timer_info_t __user *_info)
 {
 	snd_timer_user_t *tu;
 	snd_timer_info_t *info;
@@ -1528,7 +1579,8 @@ static int snd_timer_user_info(struct file *file, snd_timer_info_t __user *_info
 	return err;
 }
 
-static int snd_timer_user_params(struct file *file, snd_timer_params_t __user *_params)
+static int snd_timer_user_params(struct file *file,
+				 snd_timer_params_t __user *_params)
 {
 	snd_timer_user_t *tu;
 	snd_timer_params_t params;
@@ -1536,7 +1588,7 @@ static int snd_timer_user_params(struct file *file, snd_timer_params_t __user *_
 	snd_timer_read_t *tr;
 	snd_timer_tread_t *ttr;
 	int err;
-	
+
 	tu = file->private_data;
 	snd_assert(tu->timeri != NULL, return -ENXIO);
 	t = tu->timeri->timer;
@@ -1547,7 +1599,8 @@ static int snd_timer_user_params(struct file *file, snd_timer_params_t __user *_
 		err = -EINVAL;
 		goto _end;
 	}
-	if (params.queue_size > 0 && (params.queue_size < 32 || params.queue_size > 1024)) {
+	if (params.queue_size > 0 &&
+	    (params.queue_size < 32 || params.queue_size > 1024)) {
 		err = -EINVAL;
 		goto _end;
 	}
@@ -1580,16 +1633,19 @@ static int snd_timer_user_params(struct file *file, snd_timer_params_t __user *_
 	if (params.flags & SNDRV_TIMER_PSFLG_EARLY_EVENT)
 		tu->timeri->flags |= SNDRV_TIMER_IFLG_EARLY_EVENT;
 	spin_unlock_irq(&t->lock);
-	if (params.queue_size > 0 && (unsigned int)tu->queue_size != params.queue_size) {
+	if (params.queue_size > 0 &&
+	    (unsigned int)tu->queue_size != params.queue_size) {
 		if (tu->tread) {
-			ttr = (snd_timer_tread_t *)kmalloc(params.queue_size * sizeof(snd_timer_tread_t), GFP_KERNEL);
+			ttr = kmalloc(params.queue_size * sizeof(*ttr),
+				      GFP_KERNEL);
 			if (ttr) {
 				kfree(tu->tqueue);
 				tu->queue_size = params.queue_size;
 				tu->tqueue = ttr;
 			}
 		} else {
-			tr = (snd_timer_read_t *)kmalloc(params.queue_size * sizeof(snd_timer_read_t), GFP_KERNEL);
+			tr = kmalloc(params.queue_size * sizeof(*tr),
+				     GFP_KERNEL);
 			if (tr) {
 				kfree(tu->queue);
 				tu->queue_size = params.queue_size;
@@ -1613,7 +1669,6 @@ static int snd_timer_user_params(struct file *file, snd_timer_params_t __user *_
 			tu->qused++;
 			tu->qtail++;
 		}
-		
 	}
 	tu->filter = params.filter;
 	tu->ticks = params.ticks;
@@ -1624,11 +1679,12 @@ static int snd_timer_user_params(struct file *file, snd_timer_params_t __user *_
 	return err;
 }
 
-static int snd_timer_user_status(struct file *file, snd_timer_status_t __user *_status)
+static int snd_timer_user_status(struct file *file,
+				 snd_timer_status_t __user *_status)
 {
 	snd_timer_user_t *tu;
 	snd_timer_status_t status;
-	
+
 	tu = file->private_data;
 	snd_assert(tu->timeri != NULL, return -ENXIO);
 	memset(&status, 0, sizeof(status));
@@ -1648,7 +1704,7 @@ static int snd_timer_user_start(struct file *file)
 {
 	int err;
 	snd_timer_user_t *tu;
-		
+
 	tu = file->private_data;
 	snd_assert(tu->timeri != NULL, return -ENXIO);
 	snd_timer_stop(tu->timeri);
@@ -1661,7 +1717,7 @@ static int snd_timer_user_stop(struct file *file)
 {
 	int err;
 	snd_timer_user_t *tu;
-		
+
 	tu = file->private_data;
 	snd_assert(tu->timeri != NULL, return -ENXIO);
 	return (err = snd_timer_stop(tu->timeri)) < 0 ? err : 0;
@@ -1671,7 +1727,7 @@ static int snd_timer_user_continue(struct file *file)
 {
 	int err;
 	snd_timer_user_t *tu;
-		
+
 	tu = file->private_data;
 	snd_assert(tu->timeri != NULL, return -ENXIO);
 	tu->timeri->lost = 0;
@@ -1682,7 +1738,7 @@ static int snd_timer_user_pause(struct file *file)
 {
 	int err;
 	snd_timer_user_t *tu;
-		
+
 	tu = file->private_data;
 	snd_assert(tu->timeri != NULL, return -ENXIO);
 	return (err = snd_timer_pause(tu->timeri)) < 0 ? err : 0;
@@ -1695,12 +1751,13 @@ enum {
 	SNDRV_TIMER_IOCTL_PAUSE_OLD = _IO('T', 0x23),
 };
 
-static long snd_timer_user_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+static long snd_timer_user_ioctl(struct file *file, unsigned int cmd,
+				 unsigned long arg)
 {
 	snd_timer_user_t *tu;
 	void __user *argp = (void __user *)arg;
 	int __user *p = argp;
-	
+
 	tu = file->private_data;
 	switch (cmd) {
 	case SNDRV_TIMER_IOCTL_PVERSION:
@@ -1710,7 +1767,7 @@ static long snd_timer_user_ioctl(struct file *file, unsigned int cmd, unsigned l
 	case SNDRV_TIMER_IOCTL_TREAD:
 	{
 		int xarg;
-		
+
 		down(&tu->tread_sem);
 		if (tu->timeri)	{	/* too late */
 			up(&tu->tread_sem);
@@ -1758,7 +1815,7 @@ static int snd_timer_user_fasync(int fd, struct file * file, int on)
 {
 	snd_timer_user_t *tu;
 	int err;
-	
+
 	tu = file->private_data;
 	err = fasync_helper(fd, file, on, &tu->fasync);
         if (err < 0)
@@ -1766,12 +1823,13 @@ static int snd_timer_user_fasync(int fd, struct file * file, int on)
 	return 0;
 }
 
-static ssize_t snd_timer_user_read(struct file *file, char __user *buffer, size_t count, loff_t *offset)
+static ssize_t snd_timer_user_read(struct file *file, char __user *buffer,
+				   size_t count, loff_t *offset)
 {
 	snd_timer_user_t *tu;
 	long result = 0, unit;
 	int err = 0;
-	
+
 	tu = file->private_data;
 	unit = tu->tread ? sizeof(snd_timer_tread_t) : sizeof(snd_timer_read_t);
 	spin_lock_irq(&tu->qlock);
@@ -1805,12 +1863,14 @@ static ssize_t snd_timer_user_read(struct file *file, char __user *buffer, size_
 			goto _error;
 
 		if (tu->tread) {
-			if (copy_to_user(buffer, &tu->tqueue[tu->qhead++], sizeof(snd_timer_tread_t))) {
+			if (copy_to_user(buffer, &tu->tqueue[tu->qhead++],
+					 sizeof(snd_timer_tread_t))) {
 				err = -EFAULT;
 				goto _error;
 			}
 		} else {
-			if (copy_to_user(buffer, &tu->queue[tu->qhead++], sizeof(snd_timer_read_t))) {
+			if (copy_to_user(buffer, &tu->queue[tu->qhead++],
+					 sizeof(snd_timer_read_t))) {
 				err = -EFAULT;
 				goto _error;
 			}
@@ -1837,7 +1897,7 @@ static unsigned int snd_timer_user_poll(struct file *file, poll_table * wait)
         tu = file->private_data;
 
         poll_wait(file, &tu->qchange_sleep, wait);
-	
+
 	mask = 0;
 	if (tu->qused)
 		mask |= POLLIN | POLLRDNORM;
@@ -1881,9 +1941,11 @@ static int __init alsa_timer_init(void)
 	snd_info_entry_t *entry;
 
 #ifdef SNDRV_OSS_INFO_DEV_TIMERS
-	snd_oss_info_register(SNDRV_OSS_INFO_DEV_TIMERS, SNDRV_CARDS - 1, "system timer");
+	snd_oss_info_register(SNDRV_OSS_INFO_DEV_TIMERS, SNDRV_CARDS - 1,
+			      "system timer");
 #endif
-	if ((entry = snd_info_create_module_entry(THIS_MODULE, "timers", NULL)) != NULL) {
+	entry = snd_info_create_module_entry(THIS_MODULE, "timers", NULL);
+	if (entry != NULL) {
 		entry->c.text.read_size = SNDRV_TIMER_DEVICES * 128;
 		entry->c.text.read = snd_timer_proc_read;
 		if (snd_info_register(entry) < 0) {
@@ -1893,10 +1955,12 @@ static int __init alsa_timer_init(void)
 	}
 	snd_timer_proc_entry = entry;
 	if ((err = snd_timer_register_system()) < 0)
-		snd_printk(KERN_ERR "unable to register system timer (%i)\n", err);
+		snd_printk(KERN_ERR "unable to register system timer (%i)\n",
+			   err);
 	if ((err = snd_register_device(SNDRV_DEVICE_TYPE_TIMER,
 					NULL, 0, &snd_timer_reg, "timer"))<0)
-		snd_printk(KERN_ERR "unable to register timer device (%i)\n", err);
+		snd_printk(KERN_ERR "unable to register timer device (%i)\n",
+			   err);
 	return 0;
 }
 
@@ -1907,7 +1971,7 @@ static void __exit alsa_timer_exit(void)
 	snd_unregister_device(SNDRV_DEVICE_TYPE_TIMER, NULL, 0);
 	/* unregister the system timer */
 	list_for_each_safe(p, n, &snd_timer_list) {
-		snd_timer_t *timer = (snd_timer_t *)list_entry(p, snd_timer_t, device_list);
+		snd_timer_t *timer = list_entry(p, snd_timer_t, device_list);
 		snd_timer_unregister(timer);
 	}
 	if (snd_timer_proc_entry) {
diff --git a/sound/core/wrappers.c b/sound/core/wrappers.c
deleted file mode 100644
index 296b716f137..00000000000
--- a/sound/core/wrappers.c
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- *  Various wrappers
- *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
- *
- *
- *   This program is free software; you can redistribute it and/or modify
- *   it under the terms of the GNU General Public License as published by
- *   the Free Software Foundation; either version 2 of the License, or
- *   (at your option) any later version.
- *
- *   This program is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   GNU General Public License for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program; if not, write to the Free Software
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
- *
- */
-
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/ioport.h>
-#include <linux/vmalloc.h>
-#include <linux/fs.h>
-
-#ifdef CONFIG_SND_DEBUG_MEMORY
-void *snd_wrapper_kmalloc(size_t size, gfp_t flags)
-{
-	return kmalloc(size, flags);
-}
-
-void snd_wrapper_kfree(const void *obj)
-{
-	kfree(obj);
-}
-
-void *snd_wrapper_vmalloc(unsigned long size)
-{
-	return vmalloc(size);
-}
-
-void snd_wrapper_vfree(void *obj)
-{
-	vfree(obj);
-}
-#endif
-