1 files changed, 6 insertions, 5 deletions

diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 76610a6ac01c..8f56a54cf0ce 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -14,6 +14,7 @@
 #include <linux/ctype.h>
 #include <linux/slab.h>
 #include <linux/interrupt.h>
+#include <linux/mutex.h>
 #include <asm/atomic.h>
 
 #define MAX_DEPTH 16
@@ -770,14 +771,14 @@ int dm_table_complete(struct dm_table *t)
         return r;
 }
 
-static DECLARE_MUTEX(_event_lock);
+static DEFINE_MUTEX(_event_lock);
 void dm_table_event_callback(struct dm_table *t,
                              void (*fn)(void *), void *context)
 {
-        down(&_event_lock);
+        mutex_lock(&_event_lock);
         t->event_fn = fn;
         t->event_context = context;
-        up(&_event_lock);
+        mutex_unlock(&_event_lock);
 }
 
 void dm_table_event(struct dm_table *t)
@@ -788,10 +789,10 @@ void dm_table_event(struct dm_table *t)
          */
         BUG_ON(in_interrupt());
 
-        down(&_event_lock);
+        mutex_lock(&_event_lock);
         if (t->event_fn)
                 t->event_fn(t->event_context);
-        up(&_event_lock);
+        mutex_unlock(&_event_lock);
 }
 
 sector_t dm_table_get_size(struct dm_table *t)