diff options
Diffstat (limited to 'drivers/isdn/divert/divert_procfs.c')
| -rw-r--r-- | drivers/isdn/divert/divert_procfs.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/isdn/divert/divert_procfs.c b/drivers/isdn/divert/divert_procfs.c index c53e2417e7d4..33ec9e467772 100644 --- a/drivers/isdn/divert/divert_procfs.c +++ b/drivers/isdn/divert/divert_procfs.c @@ -20,7 +20,7 @@ #include <linux/sched.h> #include <linux/isdnif.h> #include <net/net_namespace.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include "isdn_divert.h" @@ -28,6 +28,7 @@ /* Variables for interface queue */ /*********************************/ ulong if_used = 0; /* number of interface users */ +static DEFINE_MUTEX(isdn_divert_mutex); static struct divert_info *divert_info_head = NULL; /* head of queue */ static struct divert_info *divert_info_tail = NULL; /* pointer to last entry */ static DEFINE_SPINLOCK(divert_info_lock);/* lock for queue */ @@ -261,9 +262,9 @@ static long isdn_divert_ioctl(struct file *file, uint cmd, ulong arg) { long ret; - lock_kernel(); + mutex_lock(&isdn_divert_mutex); ret = isdn_divert_ioctl_unlocked(file, cmd, arg); - unlock_kernel(); + mutex_unlock(&isdn_divert_mutex); return ret; } |