diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-07-16 00:29:07 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-16 00:29:07 +0200 |
| commit | 82638844d9a8581bbf33201cc209a14876eca167 (patch) | |
| tree | 961d7f9360194421a71aa644a9d0c176a960ce49 /sound/sound_core.c | |
| parent | 9982fbface82893e77d211fbabfbd229da6bdde6 (diff) | |
| parent | 63cf13b77ab785e87c867defa8545e6d4a989774 (diff) | |
| download | op-kernel-dev-82638844d9a8581bbf33201cc209a14876eca167.zip op-kernel-dev-82638844d9a8581bbf33201cc209a14876eca167.tar.gz | |
Merge branch 'linus' into cpus4096
Conflicts:
arch/x86/xen/smp.c
kernel/sched_rt.c
net/iucv/iucv.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'sound/sound_core.c')
| -rw-r--r-- | sound/sound_core.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/sound_core.c b/sound/sound_core.c index 46daca1..dcfc1d5 100644 --- a/sound/sound_core.c +++ b/sound/sound_core.c @@ -37,6 +37,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/fs.h> @@ -464,6 +465,8 @@ int soundcore_open(struct inode *inode, struct file *file) struct sound_unit *s; const struct file_operations *new_fops = NULL; + lock_kernel (); + chain=unit&0x0F; if(chain==4 || chain==5) /* dsp/audio/dsp16 */ { @@ -511,9 +514,11 @@ int soundcore_open(struct inode *inode, struct file *file) file->f_op = fops_get(old_fops); } fops_put(old_fops); + unlock_kernel(); return err; } spin_unlock(&sound_loader_lock); + unlock_kernel(); return -ENODEV; } |
