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-rw-r--r--include/sound/pcm.h12
-rw-r--r--include/sound/pcm_oss.h1
-rw-r--r--sound/core/oss/pcm_oss.c151
-rw-r--r--sound/core/pcm.c12
-rw-r--r--sound/core/pcm_lib.c49
-rw-r--r--sound/core/pcm_native.c108
6 files changed, 114 insertions, 219 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 7cf6a30c152..66b1f08b42b 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -369,6 +369,7 @@ struct snd_pcm_substream {
/* -- assigned files -- */
struct snd_pcm_file *file;
struct file *ffile;
+ void (*pcm_release)(struct snd_pcm_substream *);
#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
/* -- OSS things -- */
struct snd_pcm_oss_substream oss;
@@ -381,13 +382,10 @@ struct snd_pcm_substream {
struct snd_info_entry *proc_prealloc_entry;
/* misc flags */
unsigned int no_mmap_ctrl: 1;
+ unsigned int hw_opened: 1;
};
-#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
-#define SUBSTREAM_BUSY(substream) ((substream)->file != NULL || ((substream)->oss.file != NULL))
-#else
#define SUBSTREAM_BUSY(substream) ((substream)->file != NULL)
-#endif
struct snd_pcm_str {
@@ -468,8 +466,12 @@ int snd_pcm_suspend(struct snd_pcm_substream *substream);
int snd_pcm_suspend_all(struct snd_pcm *pcm);
#endif
int snd_pcm_kernel_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg);
-int snd_pcm_open_substream(struct snd_pcm *pcm, int stream, struct snd_pcm_substream **rsubstream);
+int snd_pcm_open_substream(struct snd_pcm *pcm, int stream, struct file *file,
+ struct snd_pcm_substream **rsubstream);
void snd_pcm_release_substream(struct snd_pcm_substream *substream);
+int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream, struct file *file,
+ struct snd_pcm_substream **rsubstream);
+void snd_pcm_detach_substream(struct snd_pcm_substream *substream);
void snd_pcm_vma_notify_data(void *client, void *data);
int snd_pcm_mmap_data(struct snd_pcm_substream *substream, struct file *file, struct vm_area_struct *area);
diff --git a/include/sound/pcm_oss.h b/include/sound/pcm_oss.h
index bff0778e196..1d522aaa66d 100644
--- a/include/sound/pcm_oss.h
+++ b/include/sound/pcm_oss.h
@@ -70,7 +70,6 @@ struct snd_pcm_oss_file {
struct snd_pcm_oss_substream {
unsigned oss: 1; /* oss mode */
struct snd_pcm_oss_setup *setup; /* active setup */
- struct snd_pcm_oss_file *file;
};
struct snd_pcm_oss_stream {
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index 54be0bba6bd..c056cbfe551 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -1671,6 +1671,18 @@ static struct snd_pcm_oss_setup *snd_pcm_oss_look_for_setup(struct snd_pcm *pcm,
return NULL;
}
+static void snd_pcm_oss_release_substream(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime;
+ runtime = substream->runtime;
+ vfree(runtime->oss.buffer);
+ runtime->oss.buffer = NULL;
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
+ snd_pcm_oss_plugin_clear(substream);
+#endif
+ substream->oss.oss = 0;
+}
+
static void snd_pcm_oss_init_substream(struct snd_pcm_substream *substream,
struct snd_pcm_oss_setup *setup,
int minor)
@@ -1679,6 +1691,10 @@ static void snd_pcm_oss_init_substream(struct snd_pcm_substream *substream,
substream->oss.oss = 1;
substream->oss.setup = setup;
+ if (setup->nonblock)
+ substream->ffile->f_flags |= O_NONBLOCK;
+ else
+ substream->ffile->f_flags &= ~O_NONBLOCK;
runtime = substream->runtime;
runtime->oss.params = 1;
runtime->oss.trigger = 1;
@@ -1697,18 +1713,7 @@ static void snd_pcm_oss_init_substream(struct snd_pcm_substream *substream,
runtime->oss.fragshift = 0;
runtime->oss.maxfrags = 0;
runtime->oss.subdivision = 0;
-}
-
-static void snd_pcm_oss_release_substream(struct snd_pcm_substream *substream)
-{
- struct snd_pcm_runtime *runtime;
- runtime = substream->runtime;
- vfree(runtime->oss.buffer);
-#ifdef CONFIG_SND_PCM_OSS_PLUGINS
- snd_pcm_oss_plugin_clear(substream);
-#endif
- substream->oss.file = NULL;
- substream->oss.oss = 0;
+ substream->pcm_release = snd_pcm_oss_release_substream;
}
static int snd_pcm_oss_release_file(struct snd_pcm_oss_file *pcm_oss_file)
@@ -1717,23 +1722,8 @@ static int snd_pcm_oss_release_file(struct snd_pcm_oss_file *pcm_oss_file)
snd_assert(pcm_oss_file != NULL, return -ENXIO);
for (cidx = 0; cidx < 2; ++cidx) {
struct snd_pcm_substream *substream = pcm_oss_file->streams[cidx];
- struct snd_pcm_runtime *runtime;
- if (substream == NULL)
- continue;
- runtime = substream->runtime;
-
- snd_pcm_stream_lock_irq(substream);
- if (snd_pcm_running(substream))
- snd_pcm_stop(substream, SNDRV_PCM_STATE_SETUP);
- snd_pcm_stream_unlock_irq(substream);
- if (substream->ffile != NULL) {
- if (substream->ops->hw_free != NULL)
- substream->ops->hw_free(substream);
- substream->ops->close(substream);
- substream->ffile = NULL;
- }
- snd_pcm_oss_release_substream(substream);
- snd_pcm_release_substream(substream);
+ if (substream)
+ snd_pcm_release_substream(substream);
}
kfree(pcm_oss_file);
return 0;
@@ -1743,12 +1733,11 @@ static int snd_pcm_oss_open_file(struct file *file,
struct snd_pcm *pcm,
struct snd_pcm_oss_file **rpcm_oss_file,
int minor,
- struct snd_pcm_oss_setup *psetup,
- struct snd_pcm_oss_setup *csetup)
+ struct snd_pcm_oss_setup **setup)
{
- int err = 0;
+ int idx, err;
struct snd_pcm_oss_file *pcm_oss_file;
- struct snd_pcm_substream *psubstream = NULL, *csubstream = NULL;
+ struct snd_pcm_substream *substream;
unsigned int f_mode = file->f_mode;
snd_assert(rpcm_oss_file != NULL, return -EINVAL);
@@ -1761,73 +1750,31 @@ static int snd_pcm_oss_open_file(struct file *file,
if ((f_mode & (FMODE_WRITE|FMODE_READ)) == (FMODE_WRITE|FMODE_READ) &&
(pcm->info_flags & SNDRV_PCM_INFO_HALF_DUPLEX))
f_mode = FMODE_WRITE;
- if ((f_mode & FMODE_WRITE) && !(psetup && psetup->disable)) {
- if ((err = snd_pcm_open_substream(pcm, SNDRV_PCM_STREAM_PLAYBACK,
- &psubstream)) < 0) {
+
+ for (idx = 0; idx < 2; idx++) {
+ if (! setup[idx] || setup[idx]->disable)
+ continue;
+ if (idx == SNDRV_PCM_STREAM_PLAYBACK) {
+ if (! (f_mode & FMODE_WRITE))
+ continue;
+ } else {
+ if (! (f_mode & FMODE_READ))
+ continue;
+ }
+ err = snd_pcm_open_substream(pcm, idx, file, &substream);
+ if (err < 0) {
snd_pcm_oss_release_file(pcm_oss_file);
return err;
}
- pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK] = psubstream;
- }
- if ((f_mode & FMODE_READ) && !(csetup && csetup->disable)) {
- if ((err = snd_pcm_open_substream(pcm, SNDRV_PCM_STREAM_CAPTURE,
- &csubstream)) < 0) {
- if (!(f_mode & FMODE_WRITE) || err != -ENODEV) {
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- } else {
- csubstream = NULL;
- }
- }
- pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE] = csubstream;
+
+ pcm_oss_file->streams[idx] = substream;
+ snd_pcm_oss_init_substream(substream, setup[idx], minor);
}
- if (psubstream == NULL && csubstream == NULL) {
+ if (! pcm_oss_file->streams[0] && pcm_oss_file->streams[1]) {
snd_pcm_oss_release_file(pcm_oss_file);
return -EINVAL;
}
- if (psubstream != NULL) {
- psubstream->oss.file = pcm_oss_file;
- err = snd_pcm_hw_constraints_init(psubstream);
- if (err < 0) {
- snd_printd("snd_pcm_hw_constraint_init failed\n");
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- }
- if ((err = psubstream->ops->open(psubstream)) < 0) {
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- }
- psubstream->ffile = file;
- err = snd_pcm_hw_constraints_complete(psubstream);
- if (err < 0) {
- snd_printd("snd_pcm_hw_constraint_complete failed\n");
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- }
- snd_pcm_oss_init_substream(psubstream, psetup, minor);
- }
- if (csubstream != NULL) {
- csubstream->oss.file = pcm_oss_file;
- err = snd_pcm_hw_constraints_init(csubstream);
- if (err < 0) {
- snd_printd("snd_pcm_hw_constraint_init failed\n");
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- }
- if ((err = csubstream->ops->open(csubstream)) < 0) {
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- }
- csubstream->ffile = file;
- err = snd_pcm_hw_constraints_complete(csubstream);
- if (err < 0) {
- snd_printd("snd_pcm_hw_constraint_complete failed\n");
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- }
- snd_pcm_oss_init_substream(csubstream, csetup, minor);
- }
file->private_data = pcm_oss_file;
*rpcm_oss_file = pcm_oss_file;
@@ -1852,7 +1799,7 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file)
char task_name[32];
struct snd_pcm *pcm;
struct snd_pcm_oss_file *pcm_oss_file;
- struct snd_pcm_oss_setup *psetup = NULL, *csetup = NULL;
+ struct snd_pcm_oss_setup *setup[2];
int nonblock;
wait_queue_t wait;
@@ -1873,23 +1820,13 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file)
err = -EFAULT;
goto __error;
}
+ memset(setup, 0, sizeof(*setup));
if (file->f_mode & FMODE_WRITE)
- psetup = snd_pcm_oss_look_for_setup(pcm, SNDRV_PCM_STREAM_PLAYBACK, task_name);
+ setup[0] = snd_pcm_oss_look_for_setup(pcm, SNDRV_PCM_STREAM_PLAYBACK, task_name);
if (file->f_mode & FMODE_READ)
- csetup = snd_pcm_oss_look_for_setup(pcm, SNDRV_PCM_STREAM_CAPTURE, task_name);
+ setup[1] = snd_pcm_oss_look_for_setup(pcm, SNDRV_PCM_STREAM_CAPTURE, task_name);
nonblock = !!(file->f_flags & O_NONBLOCK);
- if (psetup && !psetup->disable) {
- if (psetup->nonblock)
- nonblock = 1;
- else if (psetup->block)
- nonblock = 0;
- } else if (csetup && !csetup->disable) {
- if (csetup->nonblock)
- nonblock = 1;
- else if (csetup->block)
- nonblock = 0;
- }
if (!nonblock)
nonblock = nonblock_open;
@@ -1898,7 +1835,7 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file)
mutex_lock(&pcm->open_mutex);
while (1) {
err = snd_pcm_oss_open_file(file, pcm, &pcm_oss_file,
- iminor(inode), psetup, csetup);
+ iminor(inode), setup);
if (err >= 0)
break;
if (err == -EAGAIN) {
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 1e9878fed37..5d7eb123b99 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -777,8 +777,9 @@ static void snd_pcm_tick_timer_func(unsigned long data)
snd_pcm_tick_elapsed(substream);
}
-int snd_pcm_open_substream(struct snd_pcm *pcm, int stream,
- struct snd_pcm_substream **rsubstream)
+int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream,
+ struct file *file,
+ struct snd_pcm_substream **rsubstream)
{
struct snd_pcm_str * pstr;
struct snd_pcm_substream *substream;
@@ -793,7 +794,7 @@ int snd_pcm_open_substream(struct snd_pcm *pcm, int stream,
*rsubstream = NULL;
snd_assert(pcm != NULL, return -ENXIO);
pstr = &pcm->streams[stream];
- if (pstr->substream == NULL)
+ if (pstr->substream == NULL || pstr->substream_count == 0)
return -ENODEV;
card = pcm->card;
@@ -807,8 +808,6 @@ int snd_pcm_open_substream(struct snd_pcm *pcm, int stream,
}
up_read(&card->controls_rwsem);
- if (pstr->substream_count == 0)
- return -ENODEV;
switch (stream) {
case SNDRV_PCM_STREAM_PLAYBACK:
if (pcm->info_flags & SNDRV_PCM_INFO_HALF_DUPLEX) {
@@ -874,12 +873,13 @@ int snd_pcm_open_substream(struct snd_pcm *pcm, int stream,
substream->runtime = runtime;
substream->private_data = pcm->private_data;
+ substream->ffile = file;
pstr->substream_opened++;
*rsubstream = substream;
return 0;
}
-void snd_pcm_release_substream(struct snd_pcm_substream *substream)
+void snd_pcm_detach_substream(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime;
substream->file = NULL;
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index eeba2f06095..230a940d00b 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -2299,19 +2299,7 @@ snd_pcm_sframes_t snd_pcm_lib_write(struct snd_pcm_substream *substream, const v
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
- snd_assert(substream->ffile != NULL, return -ENXIO);
nonblock = !!(substream->ffile->f_flags & O_NONBLOCK);
-#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
- if (substream->oss.oss) {
- struct snd_pcm_oss_setup *setup = substream->oss.setup;
- if (setup != NULL) {
- if (setup->nonblock)
- nonblock = 1;
- else if (setup->block)
- nonblock = 0;
- }
- }
-#endif
if (runtime->access != SNDRV_PCM_ACCESS_RW_INTERLEAVED &&
runtime->channels > 1)
@@ -2374,19 +2362,7 @@ snd_pcm_sframes_t snd_pcm_lib_writev(struct snd_pcm_substream *substream,
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
- snd_assert(substream->ffile != NULL, return -ENXIO);
nonblock = !!(substream->ffile->f_flags & O_NONBLOCK);
-#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
- if (substream->oss.oss) {
- struct snd_pcm_oss_setup *setup = substream->oss.setup;
- if (setup != NULL) {
- if (setup->nonblock)
- nonblock = 1;
- else if (setup->block)
- nonblock = 0;
- }
- }
-#endif
if (runtime->access != SNDRV_PCM_ACCESS_RW_NONINTERLEAVED)
return -EINVAL;
@@ -2596,19 +2572,7 @@ snd_pcm_sframes_t snd_pcm_lib_read(struct snd_pcm_substream *substream, void __u
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
- snd_assert(substream->ffile != NULL, return -ENXIO);
nonblock = !!(substream->ffile->f_flags & O_NONBLOCK);
-#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
- if (substream->oss.oss) {
- struct snd_pcm_oss_setup *setup = substream->oss.setup;
- if (setup != NULL) {
- if (setup->nonblock)
- nonblock = 1;
- else if (setup->block)
- nonblock = 0;
- }
- }
-#endif
if (runtime->access != SNDRV_PCM_ACCESS_RW_INTERLEAVED)
return -EINVAL;
return snd_pcm_lib_read1(substream, (unsigned long)buf, size, nonblock, snd_pcm_lib_read_transfer);
@@ -2665,20 +2629,7 @@ snd_pcm_sframes_t snd_pcm_lib_readv(struct snd_pcm_substream *substream,
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
- snd_assert(substream->ffile != NULL, return -ENXIO);
nonblock = !!(substream->ffile->f_flags & O_NONBLOCK);
-#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
- if (substream->oss.oss) {
- struct snd_pcm_oss_setup *setup = substream->oss.setup;
- if (setup != NULL) {
- if (setup->nonblock)
- nonblock = 1;
- else if (setup->block)
- nonblock = 0;
- }
- }
-#endif
-
if (runtime->access != SNDRV_PCM_ACCESS_RW_NONINTERLEAVED)
return -EINVAL;
return snd_pcm_lib_read1(substream, (unsigned long)bufs, frames, nonblock, snd_pcm_lib_readv_transfer);
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 13efe39e4cc..964e4c47a7f 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -1995,28 +1995,63 @@ static void snd_pcm_remove_file(struct snd_pcm_str *str,
}
}
-static int snd_pcm_release_file(struct snd_pcm_file * pcm_file)
+static void pcm_release_private(struct snd_pcm_substream *substream)
{
- struct snd_pcm_substream *substream;
- struct snd_pcm_runtime *runtime;
- struct snd_pcm_str * str;
+ struct snd_pcm_file *pcm_file = substream->file;
- snd_assert(pcm_file != NULL, return -ENXIO);
- substream = pcm_file->substream;
- snd_assert(substream != NULL, return -ENXIO);
- runtime = substream->runtime;
- str = substream->pstr;
snd_pcm_unlink(substream);
- if (substream->ffile != NULL) {
+ snd_pcm_remove_file(substream->pstr, pcm_file);
+ kfree(pcm_file);
+}
+
+void snd_pcm_release_substream(struct snd_pcm_substream *substream)
+{
+ snd_pcm_drop(substream);
+ if (substream->pcm_release)
+ substream->pcm_release(substream);
+ if (substream->hw_opened) {
if (substream->ops->hw_free != NULL)
substream->ops->hw_free(substream);
substream->ops->close(substream);
- substream->ffile = NULL;
+ substream->hw_opened = 0;
}
- snd_pcm_remove_file(str, pcm_file);
- snd_pcm_release_substream(substream);
- kfree(pcm_file);
+ snd_pcm_detach_substream(substream);
+}
+
+int snd_pcm_open_substream(struct snd_pcm *pcm, int stream,
+ struct file *file,
+ struct snd_pcm_substream **rsubstream)
+{
+ struct snd_pcm_substream *substream;
+ int err;
+
+ err = snd_pcm_attach_substream(pcm, stream, file, &substream);
+ if (err < 0)
+ return err;
+ substream->no_mmap_ctrl = 0;
+ err = snd_pcm_hw_constraints_init(substream);
+ if (err < 0) {
+ snd_printd("snd_pcm_hw_constraints_init failed\n");
+ goto error;
+ }
+
+ if ((err = substream->ops->open(substream)) < 0)
+ goto error;
+
+ substream->hw_opened = 1;
+
+ err = snd_pcm_hw_constraints_complete(substream);
+ if (err < 0) {
+ snd_printd("snd_pcm_hw_constraints_complete failed\n");
+ goto error;
+ }
+
+ *rsubstream = substream;
return 0;
+
+ error:
+ snd_pcm_release_substream(substream);
+ return err;
}
static int snd_pcm_open_file(struct file *file,
@@ -2024,52 +2059,29 @@ static int snd_pcm_open_file(struct file *file,
int stream,
struct snd_pcm_file **rpcm_file)
{
- int err = 0;
struct snd_pcm_file *pcm_file;
struct snd_pcm_substream *substream;
struct snd_pcm_str *str;
+ int err;
snd_assert(rpcm_file != NULL, return -EINVAL);
*rpcm_file = NULL;
+ err = snd_pcm_open_substream(pcm, stream, file, &substream);
+ if (err < 0)
+ return err;
+
pcm_file = kzalloc(sizeof(*pcm_file), GFP_KERNEL);
if (pcm_file == NULL) {
+ snd_pcm_release_substream(substream);
return -ENOMEM;
}
-
- if ((err = snd_pcm_open_substream(pcm, stream, &substream)) < 0) {
- kfree(pcm_file);
- return err;
- }
-
str = substream->pstr;
substream->file = pcm_file;
- substream->no_mmap_ctrl = 0;
-
+ substream->pcm_release = pcm_release_private;
pcm_file->substream = substream;
-
snd_pcm_add_file(str, pcm_file);
- err = snd_pcm_hw_constraints_init(substream);
- if (err < 0) {
- snd_printd("snd_pcm_hw_constraints_init failed\n");
- snd_pcm_release_file(pcm_file);
- return err;
- }
-
- if ((err = substream->ops->open(substream)) < 0) {
- snd_pcm_release_file(pcm_file);
- return err;
- }
- substream->ffile = file;
-
- err = snd_pcm_hw_constraints_complete(substream);
- if (err < 0) {
- snd_printd("snd_pcm_hw_constraints_complete failed\n");
- snd_pcm_release_file(pcm_file);
- return err;
- }
-
file->private_data = pcm_file;
*rpcm_file = pcm_file;
return 0;
@@ -2158,10 +2170,9 @@ static int snd_pcm_release(struct inode *inode, struct file *file)
snd_assert(substream != NULL, return -ENXIO);
snd_assert(!atomic_read(&substream->runtime->mmap_count), );
pcm = substream->pcm;
- snd_pcm_drop(substream);
fasync_helper(-1, file, 0, &substream->runtime->fasync);
mutex_lock(&pcm->open_mutex);
- snd_pcm_release_file(pcm_file);
+ snd_pcm_release_substream(substream);
mutex_unlock(&pcm->open_mutex);
wake_up(&pcm->open_wait);
module_put(pcm->card->module);
@@ -2480,11 +2491,6 @@ static int snd_pcm_sync_ptr(struct snd_pcm_substream *substream,
return 0;
}
-static int snd_pcm_playback_ioctl1(struct snd_pcm_substream *substream,
- unsigned int cmd, void __user *arg);
-static int snd_pcm_capture_ioctl1(struct snd_pcm_substream *substream,
- unsigned int cmd, void __user *arg);
-
static int snd_pcm_common_ioctl1(struct snd_pcm_substream *substream,
unsigned int cmd, void __user *arg)
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 01:24:12 +0000