From e073fc58dfe6a4c9b614320c1d56bb71cb213ec4 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Tue, 14 Apr 2015 15:43:19 -0700
Subject: [PATCH] ocfs2: dereferencing freed pointers in ocfs2_reflink()
The code at the "out" label assumes that "default_acl" and "acl" are NULL,
but actually the pointers can be NULL, unitialized, or freed.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Mark Fasheh <mfasheh@suse.de>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
fs/ocfs2/refcounttree.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index ee541f92dab4..df3a500789c7 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -4276,7 +4276,7 @@ static int ocfs2_reflink(struct dentry *old_dentry, struct inode *dir,
error = posix_acl_create(dir, &mode, &default_acl, &acl);
if (error) {
mlog_errno(error);
- goto out;
+ return error;
}
error = ocfs2_create_inode_in_orphan(dir, mode,