[PATCH] Replace semaphores with mutexes

Semaphores are overkill for simple locking.

Signed-off-by: Pavel Roskin <proski@gnu.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/at76_usb.h b/at76_usb.h
index f32bb61..34f1862 100644
--- a/at76_usb.h
+++ b/at76_usb.h
@@ -466,7 +466,7 @@ struct at76_priv {
 	__u8 bulk_out_endpointAddr;	/* the address of the bulk out endpoint */
 
 	int open_count;		/* number of times this port has been opened */
-	struct semaphore sem;	/* locks this structure */
+	struct mutex mtx;	/* locks this structure */
 
 	/* work queues */
 	struct work_struct work_assoc_done;