diff --git a/drivers/md/md.c b/drivers/md/md.c
index 14db6abb2c4209fb5b81def823b6b7b8473fa38d..4c7d880a60a4ed41210c813ddb2af1a9f22005e9 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1817,10 +1817,10 @@ static void super_1_sync(struct mddev *mddev, struct md_rdev *rdev)
 			memset(bbp, 0xff, PAGE_SIZE);
 
 			for (i = 0 ; i < bb->count ; i++) {
-				u64 internal_bb = *p++;
+				u64 internal_bb = p[i];
 				u64 store_bb = ((BB_OFFSET(internal_bb) << 10)
 						| BB_LEN(internal_bb));
-				*bbp++ = cpu_to_le64(store_bb);
+				bbp[i] = cpu_to_le64(store_bb);
 			}
 			bb->changed = 0;
 			if (read_seqretry(&bb->lock, seq))