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Commit b7a73c84 authored by Ronnie Sahlberg's avatar Ronnie Sahlberg Committed by Steve French
Browse files

cifs: fix memory leak in SMB2_open() 



Signed-off-by: default avatarRonnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: default avatarSteve French <smfrench@gmail.com>
CC: Stable <stable@vger.kernel.org>
parent ac65cb62

fs/cifs/smb2pdu.c

+6 −2
Original line number Diff line number Diff line
@@ -1738,8 +1738,10 @@ SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, __le16 *path, 
		rc = alloc_path_with_tree_prefix(&copy_path, &copy_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;
@@ -1750,8 +1752,10 @@ 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;