[PATCH 5.4 075/367] fs: ocfs2: namei: check return value of ocfs2_add_entry()

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5.4-stable review patch.  If anyone has any objections, please let me know.


From: Artem Chernyshev <artem.chernyshev@xxxxxxxxxxx>

[ Upstream commit 6b72e5f9e79360fce4f2be7fe81159fbdf4256a5 ]

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

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

Link: https://lkml.kernel.org/r/20230803145417.177649-1-artem.chernyshev@xxxxxxxxxxx
Fixes: ccd979bdbce9 ("[PATCH] OCFS2: The Second Oracle Cluster Filesystem")
Signed-off-by: Artem Chernyshev <artem.chernyshev@xxxxxxxxxxx>
Reviewed-by: Joseph Qi <joseph.qi@xxxxxxxxxxxxxxxxx>
Cc: Artem Chernyshev <artem.chernyshev@xxxxxxxxxxx>
Cc: Joel Becker <jlbec@xxxxxxxxxxxx>
Cc: Kurt Hackel <kurt.hackel@xxxxxxxxxx>
Cc: Mark Fasheh <mark@xxxxxxxxxx>
Cc: Junxiao Bi <junxiao.bi@xxxxxxxxxx>
Cc: Changwei Ge <gechangwei@xxxxxxx>
Cc: Gang He <ghe@xxxxxxxx>
Cc: Jun Piao <piaojun@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
 fs/ocfs2/namei.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index fb284bf3aed15..cd6a214398266 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -1524,6 +1524,10 @@ static int ocfs2_rename(struct inode *old_dir,
 		status = ocfs2_add_entry(handle, new_dentry, old_inode,
 					 new_dir_bh, &target_insert);
+		if (status < 0) {
+			mlog_errno(status);
+			goto bail;
+		}
 	old_inode->i_ctime = current_time(old_inode);

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