diff --git a/[refs] b/[refs]
index 169815e72f9b..b6defddd9453 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d69504325978c461b51b03cca49626026970307b
+refs/heads/master: d0a0a5ee7a0094231a11cfe3f86d2d8f5f994e01
diff --git a/trunk/drivers/md/md.c b/trunk/drivers/md/md.c
index a5286beddcf5..b6d16022a53e 100644
--- a/trunk/drivers/md/md.c
+++ b/trunk/drivers/md/md.c
@@ -4592,6 +4592,8 @@ void md_error(mddev_t *mddev, mdk_rdev_t *rdev)
 		__builtin_return_address(0),__builtin_return_address(1),
 		__builtin_return_address(2),__builtin_return_address(3));
 */
+	if (!mddev->pers)
+		return;
 	if (!mddev->pers->error_handler)
 		return;
 	mddev->pers->error_handler(mddev,rdev);