1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/media/dvb/bt8xx/dst_common.h b/drivers/media/dvb/bt8xx/dst_common.h
index 81557f38fe38..51d4e043716c 100644
--- a/drivers/media/dvb/bt8xx/dst_common.h
+++ b/drivers/media/dvb/bt8xx/dst_common.h
@@ -25,6 +25,7 @@
 #include <linux/smp_lock.h>
 #include <linux/dvb/frontend.h>
 #include <linux/device.h>
+#include <linux/mutex.h>
 #include "bt878.h"
 
 #include "dst_ca.h"
@@ -121,7 +122,7 @@ struct dst_state {
         u8 vendor[8];
         u8 board_info[8];
 
-        struct semaphore dst_mutex;
+        struct mutex dst_mutex;
 };
 
 struct dst_types {