From: Artem Chernyshev <artem.chernyshev@red-soft.ru>
To: Joel Becker <jlbec@evilplan.org>, Mark Fasheh <mark@fasheh.com>
Cc: Artem Chernyshev <artem.chernyshev@red-soft.ru>,
Joseph Qi <joseph.qi@linux.alibaba.com>,
Kurt Hackel <kurt.hackel@oracle.com>,
ocfs2-devel@lists.linux.dev, linux-kernel@vger.kernel.org,
lvc-project@linuxtesting.org
Subject: [PATCH] fs: ocfs2: Check status values
Date: Mon, 9 Oct 2023 17:11:11 +0300 [thread overview]
Message-ID: <20231009141111.149858-1-artem.chernyshev@red-soft.ru> (raw)
Test return values before overwriting.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Artem Chernyshev <artem.chernyshev@red-soft.ru>
---
fs/ocfs2/namei.c | 8 ++++++++
fs/ocfs2/quota_local.c | 4 ++++
2 files changed, 12 insertions(+)
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 5cd6d7771cea..836c4279a979 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -1597,6 +1597,10 @@ static int ocfs2_rename(struct mnt_idmap *idmap,
if (update_dot_dot) {
status = ocfs2_update_entry(old_inode, handle,
&old_inode_dot_dot_res, new_dir);
+ if (status < 0) {
+ mlog_errno(status);
+ goto bail;
+ }
drop_nlink(old_dir);
if (new_inode) {
drop_nlink(new_inode);
@@ -1636,6 +1640,10 @@ static int ocfs2_rename(struct mnt_idmap *idmap,
INODE_CACHE(old_dir),
old_dir_bh,
OCFS2_JOURNAL_ACCESS_WRITE);
+ if (status < 0) {
+ mlog_errno(status);
+ goto bail;
+ }
fe = (struct ocfs2_dinode *) old_dir_bh->b_data;
ocfs2_set_links_count(fe, old_dir->i_nlink);
ocfs2_journal_dirty(handle, old_dir_bh);
diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c
index dfaae1e52412..e09842fc9d4d 100644
--- a/fs/ocfs2/quota_local.c
+++ b/fs/ocfs2/quota_local.c
@@ -1240,6 +1240,10 @@ int ocfs2_create_local_dquot(struct dquot *dquot)
&od->dq_local_phys_blk,
&pcount,
NULL);
+ if (status < 0) {
+ mlog_errno(status);
+ goto out;
+ }
/* Initialize dquot structure on disk */
status = ocfs2_local_write_dquot(dquot);
--
2.37.3
next reply other threads:[~2023-10-09 14:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-09 14:11 Artem Chernyshev [this message]
2023-10-10 1:20 ` [PATCH] fs: ocfs2: Check status values Joseph Qi
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