diff options
Diffstat (limited to 'sound/oss/swarm_cs4297a.c')
| -rw-r--r-- | sound/oss/swarm_cs4297a.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/sound/oss/swarm_cs4297a.c b/sound/oss/swarm_cs4297a.c index b15840ad2527..44357d877a27 100644 --- a/sound/oss/swarm_cs4297a.c +++ b/sound/oss/swarm_cs4297a.c @@ -68,7 +68,6 @@ #include <linux/delay.h> #include <linux/sound.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/soundcard.h> #include <linux/ac97_codec.h> #include <linux/pci.h> @@ -94,6 +93,7 @@ struct cs4297a_state; +static DEFINE_MUTEX(swarm_cs4297a_mutex); static void stop_dac(struct cs4297a_state *s); static void stop_adc(struct cs4297a_state *s); static void start_dac(struct cs4297a_state *s); @@ -1535,7 +1535,7 @@ static int cs4297a_open_mixdev(struct inode *inode, struct file *file) CS_DBGOUT(CS_FUNCTION | CS_OPEN, 4, printk(KERN_INFO "cs4297a: cs4297a_open_mixdev()+\n")); - lock_kernel(); + mutex_lock(&swarm_cs4297a_mutex); list_for_each(entry, &cs4297a_devs) { s = list_entry(entry, struct cs4297a_state, list); @@ -1547,7 +1547,7 @@ static int cs4297a_open_mixdev(struct inode *inode, struct file *file) CS_DBGOUT(CS_FUNCTION | CS_OPEN | CS_ERROR, 2, printk(KERN_INFO "cs4297a: cs4297a_open_mixdev()- -ENODEV\n")); - unlock_kernel(); + mutex_unlock(&swarm_cs4297a_mutex); return -ENODEV; } VALIDATE_STATE(s); @@ -1555,7 +1555,7 @@ static int cs4297a_open_mixdev(struct inode *inode, struct file *file) CS_DBGOUT(CS_FUNCTION | CS_OPEN, 4, printk(KERN_INFO "cs4297a: cs4297a_open_mixdev()- 0\n")); - unlock_kernel(); + mutex_unlock(&swarm_cs4297a_mutex); return nonseekable_open(inode, file); } @@ -1575,10 +1575,10 @@ static int cs4297a_ioctl_mixdev(struct file *file, unsigned int cmd, unsigned long arg) { int ret; - lock_kernel(); + mutex_lock(&swarm_cs4297a_mutex); ret = mixer_ioctl((struct cs4297a_state *) file->private_data, cmd, arg); - unlock_kernel(); + mutex_unlock(&swarm_cs4297a_mutex); return ret; } @@ -2350,9 +2350,9 @@ static long cs4297a_unlocked_ioctl(struct file *file, u_int cmd, u_long arg) { int ret; - lock_kernel(); + mutex_lock(&swarm_cs4297a_mutex); ret = cs4297a_ioctl(file, cmd, arg); - unlock_kernel(); + mutex_unlock(&swarm_cs4297a_mutex); return ret; } @@ -2509,9 +2509,9 @@ static int cs4297a_open(struct inode *inode, struct file *file) { int ret; - lock_kernel(); + mutex_lock(&swarm_cs4297a_mutex); ret = cs4297a_open(inode, file); - unlock_kernel(); + mutex_unlock(&swarm_cs4297a_mutex); return ret; } |