From 6fa96d72f79a15579da2bb63c65cafb210915b48 Mon Sep 17 00:00:00 2001
From: Zhao Lei <zhaolei@cn.fujitsu.com>
Date: Tue, 21 Jul 2015 12:22:30 +0800
Subject: [PATCH] btrfs: Free checksum list on scrub_extent() fail

When scrub_extent() failed, we need to free previois created
checksum list.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
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Reading git-format-patch failed