Merge branches 'x86-reboot-for-linus' and 'x86-setup-for-linus' of git://git.kernel...

[karo-tx-linux.git] / net / dccp / options.c

diff --git a/net/dccp/options.c b/net/dccp/options.c
index f06ffcfc8d712421040c71a56513b90dcfca96c7..4b2ab657ac8e616f415312d96a2b9c0189489a18 100644 (file)
--- a/net/dccp/options.c
+++ b/net/dccp/options.c
@@ -123,6 +123,8 @@ int dccp_parse_options(struct sock *sk, struct dccp_request_sock *dreq,
                case DCCPO_CHANGE_L ... DCCPO_CONFIRM_R:
                        if (pkt_type == DCCP_PKT_DATA)      /* RFC 4340, 6 */
                                break;
+                       if (len == 0)
+                               goto out_invalid_option;
                        rc = dccp_feat_parse_options(sk, dreq, mandatory, opt,
                                                    *value, value + 1, len - 1);
                        if (rc)