diff options
Diffstat (limited to 'drivers/macintosh')
-rw-r--r-- | drivers/macintosh/adb.c | 18 | ||||
-rw-r--r-- | drivers/macintosh/ans-lcd.c | 2 | ||||
-rw-r--r-- | drivers/macintosh/mediabay.c | 7 | ||||
-rw-r--r-- | drivers/macintosh/smu.c | 8 | ||||
-rw-r--r-- | drivers/macintosh/therm_adt746x.c | 13 | ||||
-rw-r--r-- | drivers/macintosh/via-pmu.c | 3 |
6 files changed, 39 insertions, 12 deletions
diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c index dbaad39020a..40c70ba62bf 100644 --- a/drivers/macintosh/adb.c +++ b/drivers/macintosh/adb.c @@ -644,12 +644,18 @@ do_adb_query(struct adb_request *req) static int adb_open(struct inode *inode, struct file *file) { struct adbdev_state *state; + int ret = 0; - if (iminor(inode) > 0 || adb_controller == NULL) - return -ENXIO; + lock_kernel(); + if (iminor(inode) > 0 || adb_controller == NULL) { + ret = -ENXIO; + goto out; + } state = kmalloc(sizeof(struct adbdev_state), GFP_KERNEL); - if (state == 0) - return -ENOMEM; + if (state == 0) { + ret = -ENOMEM; + goto out; + } file->private_data = state; spin_lock_init(&state->lock); atomic_set(&state->n_pending, 0); @@ -657,7 +663,9 @@ static int adb_open(struct inode *inode, struct file *file) init_waitqueue_head(&state->wait_queue); state->inuse = 1; - return 0; +out: + unlock_kernel(); + return ret; } static int adb_release(struct inode *inode, struct file *file) diff --git a/drivers/macintosh/ans-lcd.c b/drivers/macintosh/ans-lcd.c index 73c50bc0209..6a822189325 100644 --- a/drivers/macintosh/ans-lcd.c +++ b/drivers/macintosh/ans-lcd.c @@ -3,6 +3,7 @@ */ #include <linux/types.h> +#include <linux/smp_lock.h> #include <linux/errno.h> #include <linux/kernel.h> #include <linux/miscdevice.h> @@ -119,6 +120,7 @@ anslcd_ioctl( struct inode * inode, struct file * file, static int anslcd_open( struct inode * inode, struct file * file ) { + cycle_kernel_lock(); return 0; } diff --git a/drivers/macintosh/mediabay.c b/drivers/macintosh/mediabay.c index 82add26cc66..818aba36854 100644 --- a/drivers/macintosh/mediabay.c +++ b/drivers/macintosh/mediabay.c @@ -84,7 +84,7 @@ struct media_bay_info { int cd_irq; int cd_retry; #endif -#if defined(CONFIG_BLK_DEV_IDE_PMAC) || defined(CONFIG_MAC_FLOPPY) +#if defined(CONFIG_BLK_DEV_IDE_PMAC) int cd_index; #endif }; @@ -417,6 +417,7 @@ static void poll_media_bay(struct media_bay_info* bay) } } +#ifdef CONFIG_BLK_DEV_IDE_PMAC int check_media_bay(struct device_node *which_bay, int what) { int i; @@ -432,7 +433,6 @@ int check_media_bay(struct device_node *which_bay, int what) } EXPORT_SYMBOL(check_media_bay); -#ifdef CONFIG_BLK_DEV_IDE_PMAC int check_media_bay_by_base(unsigned long base, int what) { int i; @@ -556,7 +556,8 @@ static void media_bay_step(int i) printk("mediabay %d, registering IDE...\n", i); pmu_suspend(); ide_port_scan(bay->cd_port); - bay->cd_index = bay->cd_port->index; + if (bay->cd_port->present) + bay->cd_index = bay->cd_port->index; pmu_resume(); } if (bay->cd_index == -1) { diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index 77ad192962c..32cb0298f88 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -19,6 +19,7 @@ * the userland interface */ +#include <linux/smp_lock.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/device.h> @@ -483,12 +484,15 @@ int __init smu_init (void) if (smu_cmdbuf_abs == 0) { printk(KERN_ERR "SMU: Command buffer not allocated !\n"); + of_node_put(np); return -EINVAL; } smu = alloc_bootmem(sizeof(struct smu_device)); - if (smu == NULL) + if (smu == NULL) { + of_node_put(np); return -ENOMEM; + } memset(smu, 0, sizeof(*smu)); spin_lock_init(&smu->lock); @@ -1083,10 +1087,12 @@ static int smu_open(struct inode *inode, struct file *file) pp->mode = smu_file_commands; init_waitqueue_head(&pp->wait); + lock_kernel(); spin_lock_irqsave(&smu_clist_lock, flags); list_add(&pp->list, &smu_clist); spin_unlock_irqrestore(&smu_clist_lock, flags); file->private_data = pp; + unlock_kernel(); return 0; } diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c index 54f4942a296..5366dc93fb3 100644 --- a/drivers/macintosh/therm_adt746x.c +++ b/drivers/macintosh/therm_adt746x.c @@ -562,18 +562,24 @@ thermostat_init(void) therm_type = ADT7460; else if (of_device_is_compatible(np, "adt7467")) therm_type = ADT7467; - else + else { + of_node_put(np); return -ENODEV; + } prop = of_get_property(np, "hwsensor-params-version", NULL); printk(KERN_INFO "adt746x: version %d (%ssupported)\n", *prop, (*prop == 1)?"":"un"); - if (*prop != 1) + if (*prop != 1) { + of_node_put(np); return -ENODEV; + } prop = of_get_property(np, "reg", NULL); - if (!prop) + if (!prop) { + of_node_put(np); return -ENODEV; + } /* look for bus either by path or using "reg" */ if (strstr(np->full_name, "/i2c-bus@") != NULL) { @@ -610,6 +616,7 @@ thermostat_init(void) if (of_dev == NULL) { printk(KERN_ERR "Can't register temperatures device !\n"); + of_node_put(np); return -ENODEV; } diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c index d6365a9f063..d524dc245a2 100644 --- a/drivers/macintosh/via-pmu.c +++ b/drivers/macintosh/via-pmu.c @@ -18,6 +18,7 @@ * */ #include <stdarg.h> +#include <linux/smp_lock.h> #include <linux/types.h> #include <linux/errno.h> #include <linux/kernel.h> @@ -2047,6 +2048,7 @@ pmu_open(struct inode *inode, struct file *file) pp->rb_get = pp->rb_put = 0; spin_lock_init(&pp->lock); init_waitqueue_head(&pp->wait); + lock_kernel(); spin_lock_irqsave(&all_pvt_lock, flags); #if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) pp->backlight_locker = 0; @@ -2054,6 +2056,7 @@ pmu_open(struct inode *inode, struct file *file) list_add(&pp->list, &all_pmu_pvt); spin_unlock_irqrestore(&all_pvt_lock, flags); file->private_data = pp; + unlock_kernel(); return 0; } |