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authorDan Carpenter <dan.carpenter@oracle.com>2014-12-10 15:41:37 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-12-10 17:41:03 -0800
commit519a286175b6422e13694ebb73aefee0b5749443 (patch)
tree9be49e211258e1d6eb874f55f357f710406b9ba4 /fs
parentf08736bd6c54c33b91d4324eee5713ca6f13319a (diff)
downloadlinux-519a286175b6422e13694ebb73aefee0b5749443.tar.gz
ocfs2: fix an off-by-one BUG_ON() statement
The ->si_slots[] array is allocated in ocfs2_init_slot_info() it has
"->max_slots" number of elements so this test should be >= instead of >.

Static checker work.  Compile tested only.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/ocfs2/slot_map.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ocfs2/slot_map.c b/fs/ocfs2/slot_map.c
index a88b2a4fcc85..d5493e361a38 100644
--- a/fs/ocfs2/slot_map.c
+++ b/fs/ocfs2/slot_map.c
@@ -306,7 +306,7 @@ int ocfs2_slot_to_node_num_locked(struct ocfs2_super *osb, int slot_num,
 	assert_spin_locked(&osb->osb_lock);
 
 	BUG_ON(slot_num < 0);
-	BUG_ON(slot_num > osb->max_slots);
+	BUG_ON(slot_num >= osb->max_slots);
 
 	if (!si->si_slots[slot_num].sl_valid)
 		return -ENOENT;