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authorTakashi Iwai <tiwai@suse.de>2010-05-20 11:58:57 +0200
committerTakashi Iwai <tiwai@suse.de>2010-05-20 11:58:57 +0200
commit3374cd1abd478f767aaedf2c21d109596ff0fe72 (patch)
tree46b00a571ba5d86373bd9054fdccc5dc6e28e42f /sound/core/pcm_native.c
parente40152ee1e1c7a63f4777791863215e3faa37a86 (diff)
parent670ff6abd6caff406b217f8a828d6c03656535d8 (diff)
Merge branch 'topic/core-cleanup' into for-linus
Diffstat (limited to 'sound/core/pcm_native.c')
-rw-r--r--sound/core/pcm_native.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 20b5982c996..b9517f38073 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -2110,7 +2110,9 @@ static int snd_pcm_open_file(struct file *file,
static int snd_pcm_playback_open(struct inode *inode, struct file *file)
{
struct snd_pcm *pcm;
-
+ int err = nonseekable_open(inode, file);
+ if (err < 0)
+ return err;
pcm = snd_lookup_minor_data(iminor(inode),
SNDRV_DEVICE_TYPE_PCM_PLAYBACK);
return snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_PLAYBACK);
@@ -2119,7 +2121,9 @@ static int snd_pcm_playback_open(struct inode *inode, struct file *file)
static int snd_pcm_capture_open(struct inode *inode, struct file *file)
{
struct snd_pcm *pcm;
-
+ int err = nonseekable_open(inode, file);
+ if (err < 0)
+ return err;
pcm = snd_lookup_minor_data(iminor(inode),
SNDRV_DEVICE_TYPE_PCM_CAPTURE);
return snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_CAPTURE);
@@ -3310,18 +3314,13 @@ static int snd_pcm_fasync(int fd, struct file * file, int on)
struct snd_pcm_file * pcm_file;
struct snd_pcm_substream *substream;
struct snd_pcm_runtime *runtime;
- int err = -ENXIO;
- lock_kernel();
pcm_file = file->private_data;
substream = pcm_file->substream;
if (PCM_RUNTIME_CHECK(substream))
- goto out;
+ return -ENXIO;
runtime = substream->runtime;
- err = fasync_helper(fd, file, on, &runtime->fasync);
-out:
- unlock_kernel();
- return err;
+ return fasync_helper(fd, file, on, &runtime->fasync);
}
/*
@@ -3462,6 +3461,7 @@ const struct file_operations snd_pcm_f_ops[2] = {
.aio_write = snd_pcm_aio_write,
.open = snd_pcm_playback_open,
.release = snd_pcm_release,
+ .llseek = no_llseek,
.poll = snd_pcm_playback_poll,
.unlocked_ioctl = snd_pcm_playback_ioctl,
.compat_ioctl = snd_pcm_ioctl_compat,
@@ -3475,6 +3475,7 @@ const struct file_operations snd_pcm_f_ops[2] = {
.aio_read = snd_pcm_aio_read,
.open = snd_pcm_capture_open,
.release = snd_pcm_release,
+ .llseek = no_llseek,
.poll = snd_pcm_capture_poll,
.unlocked_ioctl = snd_pcm_capture_ioctl,
.compat_ioctl = snd_pcm_ioctl_compat,