In a corrupted tree if search for next devid finds the device with
devid = -1, then report the error -EUCLEAN back to the parent
function to fail gracefully.
Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>
---
fs/btrfs/volumes.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 4db4a100c05b..36aa5f79fb6c 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1849,7 +1849,12 @@ static noinline int find_next_devid(struct btrfs_fs_info *fs_info,
if (ret < 0)
goto error;
- BUG_ON(ret == 0); /* Corruption */
+ if (ret == 0) {
+ /* Corruption */
+ btrfs_err(fs_info, "corrupted chunk tree devid -1 matched");
+ ret = -EUCLEAN;
+ goto error;
+ }
ret = btrfs_previous_item(fs_info->chunk_root, path,
BTRFS_DEV_ITEMS_OBJECTID,
--
2.21.0 (Apple Git-120)
