diff options
| author | David Woodhouse <David.Woodhouse@intel.com> | 2008-07-25 10:40:14 -0400 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2008-07-25 10:40:14 -0400 |
| commit | ff877ea80efa2015b6263766f78ee42c2a1b32f9 (patch) | |
| tree | 85205005c611ab774702148558321c6fb92f1ccd /sound/core/pcm_native.c | |
| parent | 30821fee4f0cb3e6d241d9f7ddc37742212e3eb7 (diff) | |
| parent | d37e6bf68fc1eb34a4ad21d9ae8890ed37ea80e7 (diff) | |
Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubi-2.6
Diffstat (limited to 'sound/core/pcm_native.c')
| -rw-r--r-- | sound/core/pcm_native.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 61f5d425b63..c49b9d9e303 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -22,6 +22,7 @@ #include <linux/mm.h> #include <linux/file.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/time.h> #include <linux/pm_qos_params.h> #include <linux/uio.h> @@ -3249,14 +3250,17 @@ 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; + int err = -ENXIO; + lock_kernel(); pcm_file = file->private_data; substream = pcm_file->substream; - snd_assert(substream != NULL, return -ENXIO); + snd_assert(substream != NULL, goto out); runtime = substream->runtime; err = fasync_helper(fd, file, on, &runtime->fasync); +out: + unlock_kernel(); if (err < 0) return err; return 0; |