xfs: add missing assert in xfs_fsmap_owner_from_rmap

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/xfs/xfs_fsmap.c b/fs/xfs/xfs_fsmap.c
index 01c0933a4d10d9c2184a69cf675301efb7d23d15..79e8af8f4669c4692226fe50dd8283f9e40705c8 100644 (file)
--- 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;