cifs: fix wrong release in sess_alloc_buffer() failed path

[ 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@sangfor.com.cn>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 9bc7a29f88d65a231856e744340fca2c586263e7..2d3918cdcc284483212c64270a1abe98a2bffd87 100644 (file)
--- 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;