From: Jes Sorensen <Jes.Sorensen@redhat.com>
Date: Tue, 24 Feb 2015 21:00:39 +0000 (-0500)
Subject: IncrementalScan(): Make sure 'st' is valid before dereferencing it
X-Git-Tag: mdadm-3.3.3~79
X-Git-Url: http://git.neil.brown.name/?a=commitdiff_plain;h=5d94384e936503dfba5abb1264951f623252c492;p=mdadm.git

IncrementalScan(): Make sure 'st' is valid before dereferencing it

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---

diff --git a/Incremental.c b/Incremental.c
index 87d91140..33c0d7ff 100644
--- a/Incremental.c
+++ b/Incremental.c
@@ -1354,7 +1354,7 @@ restart:
 			if (st && st->ss->load_container)
 				ret = st->ss->load_container(st, mdfd, NULL);
 			close(mdfd);
-			if (!ret && st->ss->container_content) {
+			if (!ret && st && st->ss->container_content) {
 				if (map_lock(&map))
 					pr_err("failed to get exclusive lock on mapfile\n");
 				ret = Incremental_container(st, me->path, c, only);