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Message-Id: <20191026132217.4380-20-sashal@kernel.org>
Date: Sat, 26 Oct 2019 09:22:16 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Chengguang Xu <cgxu519@...ernel.net>,
Joseph Qi <joseph.qi@...ux.alibaba.com>,
Mark Fasheh <mark@...heh.com>,
Joel Becker <jlbec@...lplan.org>,
Junxiao Bi <junxiao.bi@...cle.com>,
Changwei Ge <gechangwei@...e.cn>, Gang He <ghe@...e.com>,
Jun Piao <piaojun@...wei.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH AUTOSEL 4.9 20/21] ocfs2: fix error handling in ocfs2_setattr()
From: Chengguang Xu <cgxu519@...ernel.net>
[ Upstream commit ce750f43f5790de74c1644c39d78f684071658d1 ]
Should set transfer_to[USRQUOTA/GRPQUOTA] to NULL on error case before
jumping to do dqput().
Link: http://lkml.kernel.org/r/20191010082349.1134-1-cgxu519@mykernel.net
Signed-off-by: Chengguang Xu <cgxu519@...ernel.net>
Reviewed-by: Joseph Qi <joseph.qi@...ux.alibaba.com>
Cc: Mark Fasheh <mark@...heh.com>
Cc: Joel Becker <jlbec@...lplan.org>
Cc: Junxiao Bi <junxiao.bi@...cle.com>
Cc: Changwei Ge <gechangwei@...e.cn>
Cc: Gang He <ghe@...e.com>
Cc: Jun Piao <piaojun@...wei.com>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
fs/ocfs2/file.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 05a0fb9854f9e..8526589a7cdc5 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1224,6 +1224,7 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
transfer_to[USRQUOTA] = dqget(sb, make_kqid_uid(attr->ia_uid));
if (IS_ERR(transfer_to[USRQUOTA])) {
status = PTR_ERR(transfer_to[USRQUOTA]);
+ transfer_to[USRQUOTA] = NULL;
goto bail_unlock;
}
}
@@ -1233,6 +1234,7 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
transfer_to[GRPQUOTA] = dqget(sb, make_kqid_gid(attr->ia_gid));
if (IS_ERR(transfer_to[GRPQUOTA])) {
status = PTR_ERR(transfer_to[GRPQUOTA]);
+ transfer_to[GRPQUOTA] = NULL;
goto bail_unlock;
}
}
--
2.20.1
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