From: Adrian Bunk <bunk@kernel.org>
Date: Tue, 19 Feb 2008 19:44:19 +0000 (+0000)
Subject: dm-raid1.c: fix NULL dereferences
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e03f1a842287480aa03732612148c0d333baca61;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

dm-raid1.c: fix NULL dereferences

This patch fixes two NULL dereferences introduced by commit
06386bbfd2441416875d0403d405c56822f6ebac and spotted by the Coverity
checker.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index 2928ef228101..51605870f898 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -1695,14 +1695,15 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio,
 			 * information for a retry or there was no other
 			 * mirror in-sync.
 			 */
-			DMERR_LIMIT("Mirror read failed from %s.",
-				    m->dev->name);
+			DMERR_LIMIT("Mirror read failed.");
 			return -EIO;
 		}
+
+		m = read_record->m;
+
 		DMERR("Mirror read failed from %s. Trying alternative device.",
 		      m->dev->name);
 
-		m = read_record->m;
 		fail_mirror(m, DM_RAID1_READ_ERROR);
 
 		/*