[Ocfs2-devel] [patch 14/22] ocfs2: add the missing return value check of ocfs2_xattr_get_clusters
akpm at linux-foundation.org
akpm at linux-foundation.org
Tue Aug 27 14:05:07 PDT 2013
From: Joseph Qi <joseph.qi at huawei.com>
Subject: ocfs2: add the missing return value check of ocfs2_xattr_get_clusters
In ocfs2_xattr_value_attach_refcount(), if error occurs when calling
ocfs2_xattr_get_clusters(), it will go with unexpected behavior since
local variables p_cluster, num_clusters and ext_flags are declared without
initialization.
Signed-off-by: Joseph Qi <joseph.qi at huawei.com>
Cc: Joel Becker <jlbec at evilplan.org>
Cc: Mark Fasheh <mfasheh at suse.com>
Acked-by: Jie Liu <jeff.liu at oracle.com>
Signed-off-by: Andrew Morton <akpm at linux-foundation.org>
---
fs/ocfs2/xattr.c | 4 ++++
1 file changed, 4 insertions(+)
diff -puN fs/ocfs2/xattr.c~ocfs2-add-the-missing-return-value-check-of-ocfs2_xattr_get_clusters fs/ocfs2/xattr.c
--- a/fs/ocfs2/xattr.c~ocfs2-add-the-missing-return-value-check-of-ocfs2_xattr_get_clusters
+++ a/fs/ocfs2/xattr.c
@@ -5881,6 +5881,10 @@ static int ocfs2_xattr_value_attach_refc
while (cpos < clusters) {
ret = ocfs2_xattr_get_clusters(inode, cpos, &p_cluster,
&num_clusters, el, &ext_flags);
+ if (ret) {
+ mlog_errno(ret);
+ break;
+ }
cpos += num_clusters;
if ((ext_flags & OCFS2_EXT_REFCOUNTED))
_
More information about the Ocfs2-devel
mailing list