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authorTakashi Iwai <tiwai@suse.de>2022-08-01 09:11:19 +0300
committerTakashi Iwai <tiwai@suse.de>2022-08-01 09:11:19 +0300
commit9769e44d41a1359b9000ff8458f0f2f66080ebf4 (patch)
treee91d2d71fd469c2fa9289fed87f0bb4fded196a5 /sound/core/pcm_native.c
parentf38e6458e16df7bac3871f4e69f9681c0b3c58bd (diff)
parentbe561ffad708f0cee18aee4231f80ffafaf7a419 (diff)
downloadlinux-9769e44d41a1359b9000ff8458f0f2f66080ebf4.tar.xz
Merge branch 'for-next' into for-linus
Diffstat (limited to 'sound/core/pcm_native.c')
-rw-r--r--sound/core/pcm_native.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 4adaee62ef33..ad0541e9e888 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -3412,6 +3412,8 @@ static long snd_pcm_ioctl(struct file *file, unsigned int cmd,
* The function is provided primarily for OSS layer and USB gadget drivers,
* and it allows only the limited set of ioctls (hw_params, sw_params,
* prepare, start, drain, drop, forward).
+ *
+ * Return: zero if successful, or a negative error code
*/
int snd_pcm_kernel_ioctl(struct snd_pcm_substream *substream,
unsigned int cmd, void *arg)
@@ -3810,6 +3812,8 @@ static const struct vm_operations_struct snd_pcm_vm_ops_data_fault = {
*
* This is the default mmap handler for PCM data. When mmap pcm_ops is NULL,
* this function is invoked implicitly.
+ *
+ * Return: zero if successful, or a negative error code
*/
int snd_pcm_lib_default_mmap(struct snd_pcm_substream *substream,
struct vm_area_struct *area)
@@ -3836,6 +3840,8 @@ EXPORT_SYMBOL_GPL(snd_pcm_lib_default_mmap);
* When your hardware uses the iomapped pages as the hardware buffer and
* wants to mmap it, pass this function as mmap pcm_ops. Note that this
* is supposed to work only on limited architectures.
+ *
+ * Return: zero if successful, or a negative error code
*/
int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream *substream,
struct vm_area_struct *area)
@@ -3945,7 +3951,7 @@ static int snd_pcm_fasync(int fd, struct file * file, int on)
runtime = substream->runtime;
if (runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
return -EBADFD;
- return fasync_helper(fd, file, on, &runtime->fasync);
+ return snd_fasync_helper(fd, file, on, &runtime->fasync);
}
/*