[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Thu, 9 Sep 2021 08:01:12 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Ding Hui <dinghui@...gfor.com.cn>, Paulo Alcantara <pc@....nz>,
Steve French <stfrench@...rosoft.com>,
Sasha Levin <sashal@...nel.org>, linux-cifs@...r.kernel.org,
samba-technical@...ts.samba.org
Subject: [PATCH AUTOSEL 4.4 31/35] cifs: fix wrong release in sess_alloc_buffer() failed path
From: Ding Hui <dinghui@...gfor.com.cn>
[ Upstream commit d72c74197b70bc3c95152f351a568007bffa3e11 ]
smb_buf is allocated by small_smb_init_no_tc(), and buf type is
CIFS_SMALL_BUFFER, so we should use cifs_small_buf_release() to
release it in failed path.
Signed-off-by: Ding Hui <dinghui@...gfor.com.cn>
Reviewed-by: Paulo Alcantara (SUSE) <pc@....nz>
Signed-off-by: Steve French <stfrench@...rosoft.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
fs/cifs/sess.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 9bc7a29f88d6..2d3918cdcc28 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -602,7 +602,7 @@ sess_alloc_buffer(struct sess_data *sess_data, int wct)
return 0;
out_free_smb_buf:
- kfree(smb_buf);
+ cifs_small_buf_release(smb_buf);
sess_data->iov[0].iov_base = NULL;
sess_data->iov[0].iov_len = 0;
sess_data->buf0_type = CIFS_NO_BUFFER;
--
2.30.2
Powered by blists - more mailing lists