From 75c2df6509391e28257d696815bddb854a8c4a94 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Wed, 7 Sep 2011 12:45:24 +1000
Subject: FIX: Prevent using null list pointer

When not all attributes are supported (attributes incompatibility)
function container_content_imsm returns NULL pointer.
We need to cope with a NULL list better.

Reported-by: Lukasz Dorau <lukasz.dorau@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---
 Incremental.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Incremental.c')

diff --git a/Incremental.c b/Incremental.c
index 951c2a07..09cdd9b4 100644
--- a/Incremental.c
+++ b/Incremental.c
@@ -1464,7 +1464,7 @@ static int Incremental_container(struct supertype *st, char *devname,
 		fprintf(stderr, Name ": failed to get exclusive lock on "
 			"mapfile\n");
 	/* do not assemble arrays that might have bad blocks */
-	if (list->array.state & (1<<MD_SB_BBM_ERRORS)) {
+	if (list && list->array.state & (1<<MD_SB_BBM_ERRORS)) {
 		fprintf(stderr, Name ": BBM log found in metadata. "
 					"Cannot activate array(s).\n");
 		/* free container data and exit */
-- 
cgit v1.2.3