[PATCH 5.10 107/406] fs: ocfs2: namei: check return value of ocfs2_add_entry()

Greg Kroah-Hartman
2023-09-17T19:24:10Z

From: Artem Chernyshev <artem.chernyshev@red-soft.ru>

[ Upstream commit 6b72e5f9e79360fce4f2be7fe81159fbdf4256a5 ]

Process result of ocfs2_add_entry() in case we have an error
value.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Link: https://lkml.kernel.org/r/20230803145417.177649-1-artem.chernyshev@red-soft.ru
Fixes: ccd979bdbce9 ("[PATCH] OCFS2: The Second Oracle Cluster Filesystem")
Signed-off-by: Artem Chernyshev <artem.chernyshev@red-soft.ru>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Artem Chernyshev <artem.chernyshev@red-soft.ru>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Kurt Hackel <kurt.hackel@oracle.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/ocfs2/namei.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index d6a0e719b1ad9..5c98813b3dcaf 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -1532,6 +1532,10 @@ static int ocfs2_rename(struct inode *old_dir,
status = ocfs2_add_entry(handle, new_dentry, old_inode,
OCFS2_I(old_inode)->ip_blkno,
new_dir_bh, &target_insert);
+ if (status < 0) {
+ mlog_errno(status);
+ goto bail;
+ }
}

old_inode->i_ctime = current_time(old_inode);
--
2.40.1