[PATCH 2/4] xfs: Fix termination loop for directory iteration

[Jan Kara <jack@suse.cz>]

Directory iteration used wrong position (sizeof wrong structure) for
termination of iteration inside a directory block. Luckily the position
ended up being wrong by just 1 byte and directory entries are larger so
things worked out fine in practice. But fix the problem anyway.

Signed-off-by: Jan Kara <jack@suse.cz>
---
 grub-core/fs/xfs.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/grub-core/fs/xfs.c b/grub-core/fs/xfs.c
index a2fc942707c1..ef3bc787e968 100644
--- a/grub-core/fs/xfs.c
+++ b/grub-core/fs/xfs.c
@@ -608,8 +608,7 @@ grub_xfs_iterate_dir (grub_fshelp_node_t dir,
 		       - grub_be_to_cpu32 (tail->leaf_stale));
 
 	    /* Iterate over all entries within this block.  */
-	    while (pos < (dirblk_size
-			  - (int) sizeof (struct grub_xfs_dir2_entry)))
+	    while (pos < tail_start)
 	      {
 		struct grub_xfs_dir2_entry *direntry;
 		grub_uint8_t *freetag;
-- 
1.8.1.4