ps3: gelic: scan_lock semaphore to mutex

Signed-off-by: Daniel Walker <dwalker@mvista.com>
Acked-by: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/ps3_gelic_wireless.h b/drivers/net/ps3_gelic_wireless.h
index 1036971..fb3222e 100644
--- a/drivers/net/ps3_gelic_wireless.h
+++ b/drivers/net/ps3_gelic_wireless.h
@@ -241,7 +241,7 @@
 #define GELIC_WEP_KEYS 4
 struct gelic_wl_info {
 	/* bss list */
-	struct semaphore scan_lock;
+	struct mutex scan_lock;
 	struct list_head network_list;
 	struct list_head network_free_list;
 	struct gelic_wl_scan_info *networks;