xfs: fix leaks on corruption errors in xfs_bmap.c

Use _GOTO instead of _RETURN so we can free the allocated
cursor on error.

Fixes: bf80628 ("xfs: remove xfs_bmse_shift_one")
Fixes-coverity-id: 1423813, 1423676
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 08df809..1210f68 100644 (file)
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -5662,7 +5662,8 @@ xfs_bmap_collapse_extents(
                *done = true;
                goto del_cursor;
        }
-       XFS_WANT_CORRUPTED_RETURN(mp, !isnullstartblock(got.br_startblock));
+       XFS_WANT_CORRUPTED_GOTO(mp, !isnullstartblock(got.br_startblock),
+                               del_cursor);
 
        new_startoff = got.br_startoff - offset_shift_fsb;
        if (xfs_iext_peek_prev_extent(ifp, &icur, &prev)) {
@@ -5767,7 +5768,8 @@ xfs_bmap_insert_extents(
                        goto del_cursor;
                }
        }
-       XFS_WANT_CORRUPTED_RETURN(mp, !isnullstartblock(got.br_startblock));
+       XFS_WANT_CORRUPTED_GOTO(mp, !isnullstartblock(got.br_startblock),
+                               del_cursor);
 
        if (stop_fsb >= got.br_startoff + got.br_blockcount) {
                error = -EIO;