linux-kernel - [PATCH] fs: ocfs2: namei: Check return value of ocfs2_add

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Date:   Thu,  3 Aug 2023 17:54:17 +0300
From:   Artem Chernyshev <artem.chernyshev@...-soft.ru>
To:     Joel Becker <jlbec@...lplan.org>, Mark Fasheh <mark@...heh.com>
Cc:     Artem Chernyshev <artem.chernyshev@...-soft.ru>,
        Joseph Qi <joseph.qi@...ux.alibaba.com>,
        Kurt Hackel <kurt.hackel@...cle.com>,
        ocfs2-devel@...ts.linux.dev, linux-kernel@...r.kernel.org,
        lvc-project@...uxtesting.org
Subject: [PATCH] fs: ocfs2: namei: Check return value of ocfs2_add_entry()

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

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

Fixes: ccd979bdbce9 ("[PATCH] OCFS2: The Second Oracle Cluster Filesystem")
Signed-off-by: Artem Chernyshev <artem.chernyshev@...-soft.ru>
---
 fs/ocfs2/namei.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 17c52225b87d..03bccfd183f3 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -1535,6 +1535,10 @@ static int ocfs2_rename(struct mnt_idmap *idmap,
 		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);
-- 
2.37.3