From fdbd795405203c22c063690f00cf79a23389f1df Mon Sep 17 00:00:00 2001 From: Ronnie Sahlberg Date: Tue, 13 Feb 2018 15:42:30 +1100 Subject: [PATCH] cifs: fix memory leak in SMB2_open() commit b7a73c84eb96dabd6bb8e9d7c56f796d83efee8e upstream. Signed-off-by: Ronnie Sahlberg Signed-off-by: Steve French CC: Stable Signed-off-by: Greg Kroah-Hartman --- fs/cifs/smb2pdu.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 66af1f8a13cc..49779d952cd5 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -1773,8 +1773,10 @@ SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path, rc = alloc_path_with_tree_prefix(©_path, ©_size, &name_len, tcon->treeName, path); - if (rc) + if (rc) { + cifs_small_buf_release(req); return rc; + } req->NameLength = cpu_to_le16(name_len * 2); uni_path_len = copy_size; path = copy_path; @@ -1785,8 +1787,10 @@ SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path, if (uni_path_len % 8 != 0) { copy_size = roundup(uni_path_len, 8); copy_path = kzalloc(copy_size, GFP_KERNEL); - if (!copy_path) + if (!copy_path) { + cifs_small_buf_release(req); return -ENOMEM; + } memcpy((char *)copy_path, (const char *)path, uni_path_len); uni_path_len = copy_size; -- 2.20.1