[PATCH 5.4 05/17] xfs: add missing assert in xfs_fsmap_owner_from_rmap

Chandan Babu R
2022-09-21T03:24:56Z

commit 110f09cb705af8c53f2a457baf771d2935ed62d4 upstream.

The fsmap handler shouldn't fail silently if the rmap code ever feeds it
a special owner number that isn't known to the fsmap handler.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandan.babu@oracle.com>
---
fs/xfs/xfs_fsmap.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/fs/xfs/xfs_fsmap.c b/fs/xfs/xfs_fsmap.c
index 01c0933a4d10..79e8af8f4669 100644
--- a/fs/xfs/xfs_fsmap.c
+++ b/fs/xfs/xfs_fsmap.c
@@ -146,6 +146,7 @@ xfs_fsmap_owner_from_rmap(
dest->fmr_owner = XFS_FMR_OWN_FREE;
break;
default:
+ ASSERT(0);
return -EFSCORRUPTED;
}
return 0;
--
2.35.1