[PATCH] w1: Use mutexes instead of semaphores.

Use mutexes instead of semaphores.
Patch tested on x86_64 and i386 with test bus master driver.

Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/w1/w1_netlink.c b/drivers/w1/w1_netlink.c
index d539e09aad37..65c5ebd0787e 100644
--- a/drivers/w1/w1_netlink.c
+++ b/drivers/w1/w1_netlink.c
@@ -171,7 +171,7 @@ static void w1_cn_callback(void *data)
                         goto out_cont;
                 }
 
-                down(&dev->mutex);
+                mutex_lock(&dev->mutex);
 
                 if (sl && w1_reset_select_slave(sl)) {
                         err = -ENODEV;
@@ -198,7 +198,7 @@ out_up:
                 atomic_dec(&dev->refcnt);
                 if (sl)
                         atomic_dec(&sl->refcnt);
-                up(&dev->mutex);
+                mutex_unlock(&dev->mutex);
 out_cont:
                 msg->len -= sizeof(struct w1_netlink_msg) + m->len;
                 m = (struct w1_netlink_msg *)(((u8 *)m) + sizeof(struct w1_netlink_msg) + m->len);