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>
This commit is contained in:
Zhao Lei 2015-07-21 12:22:30 +08:00 • committed by Chris Mason
commit 6fa96d72f7