Commit 0a4eefbb authored by Yan Zheng's avatar Yan Zheng Committed by Chris Mason
Browse files

Btrfs: Fix ordering of key field checks in btrfs_previous_item



Check objectid of item before checking the item type, otherwise we may return
zero for a key that is actually too low.
Signed-off-by: default avatarYan Zheng <zheng.yan@oracle.com>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 1fcbac58
......@@ -4296,10 +4296,10 @@ int btrfs_previous_item(struct btrfs_root *root,
path->slots[0]--;
btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);
if (found_key.type == type)
return 0;
if (found_key.objectid < min_objectid)
break;
if (found_key.type == type)
return 0;
if (found_key.objectid == min_objectid &&
found_key.type < type)
break;
......
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