From 7c27213b20f060111d5b6fa14bcdbab6588ae351 Mon Sep 17 00:00:00 2001
From: Mikulas Patocka <mpatocka@redhat.com>
Date: Fri, 21 Dec 2012 20:23:32 +0000
Subject: dm raid1: remove impossible mempool_alloc error test

mempool_alloc can't fail if __GFP_WAIT is specified, so the condition
that tests if read_record is non-NULL is always true.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index fd61f98..b37467618 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -1195,11 +1195,9 @@ static int mirror_map(struct dm_target *ti, struct bio *bio,
 		return -EIO;
 
 	read_record = mempool_alloc(ms->read_record_pool, GFP_NOIO);
-	if (likely(read_record)) {
-		dm_bio_record(&read_record->details, bio);
-		map_context->ptr = read_record;
-		read_record->m = m;
-	}
+	dm_bio_record(&read_record->details, bio);
+	map_context->ptr = read_record;
+	read_record->m = m;
 
 	map_bio(m, bio);
 
-- 
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