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| author | David S. Miller <davem@davemloft.net> | 2008-07-18 13:39:39 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-18 13:39:39 +0400 |
| commit | 49997d75152b3d23c53b0fa730599f2f74c92c65 (patch) | |
| tree | 46e93126170d02cfec9505172e545732c1b69656 /sound/sound_core.c | |
| parent | a0c80b80e0fb48129e4e9d6a9ede914f9ff1850d (diff) | |
| parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (diff) | |
| download | linux-49997d75152b3d23c53b0fa730599f2f74c92c65.tar.xz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
Documentation/powerpc/booting-without-of.txt
drivers/atm/Makefile
drivers/net/fs_enet/fs_enet-main.c
drivers/pci/pci-acpi.c
net/8021q/vlan.c
net/iucv/iucv.c
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 46daca175502..dcfc1d5ce631 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; } |