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>
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index d99cdb1..6987de6 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -2924,10 +2924,12 @@
extent_dev, flags,
generation,
extent_mirror_num);
+
+ scrub_free_csums(sctx);
+
if (ret)
goto out;
- scrub_free_csums(sctx);
if (extent_logical + extent_len <
key.objectid + bytes) {
logic_start += map->stripe_len;
@@ -3262,10 +3264,12 @@
extent_physical, extent_dev, flags,
generation, extent_mirror_num,
extent_logical - logical + physical);
+
+ scrub_free_csums(sctx);
+
if (ret)
goto out;
- scrub_free_csums(sctx);
if (extent_logical + extent_len <
key.objectid + bytes) {
if (map->type & BTRFS_BLOCK_GROUP_RAID56_MASK) {