diff --git a/[refs] b/[refs]
index 732b521fb721..5a73d608cab7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0895e91d60ef9bdef426d1ce14bb94bd5875870d
+refs/heads/master: 85bfb4da8cad483a4e550ec89060d05a4daf895b
diff --git a/trunk/drivers/md/bitmap.c b/trunk/drivers/md/bitmap.c
index 927cb34c4805..7c426d07a555 100644
--- a/trunk/drivers/md/bitmap.c
+++ b/trunk/drivers/md/bitmap.c
@@ -274,7 +274,7 @@ static int write_sb_page(struct bitmap *bitmap, struct page *page, int wait)
 			if (bitmap->offset < 0) {
 				/* DATA  BITMAP METADATA  */
 				if (bitmap->offset
-				    + page->index * (PAGE_SIZE/512)
+				    + (long)(page->index * (PAGE_SIZE/512))
 				    + size/512 > 0)
 					/* bitmap runs in to metadata */
 					return -EINVAL;