diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index b100bfe..e9dc287 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -977,7 +977,7 @@
 			goto abort;
 		}
 		p->rdev = NULL;
-		synchronize_kernel();
+		synchronize_rcu();
 		if (atomic_read(&rdev->nr_pending)) {
 			/* lost the race, try later */
 			err = -EBUSY;