Convert dtls1_get_message_header to CBS and change to int.

Changed return value from void to int.  It should never return an error
given that the input length is not checked yet.

ok miod@

1 files changed, 3 insertions, 2 deletions

diff --git a/src/lib/libssl/d1_pkt.c b/src/lib/libssl/d1_pkt.c
index 1ff664370b..b26ff2cec2 100644
--- a/src/lib/libssl/d1_pkt.c
+++ b/src/lib/libssl/d1_pkt.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: d1_pkt.c,v 1.44 2015/07/18 22:36:55 doug Exp $ */
+/* $OpenBSD: d1_pkt.c,v 1.45 2015/07/18 23:00:23 doug Exp $ */
 /*
  * DTLS implementation written by Nagendra Modadugu
  * (nagendra@cs.stanford.edu) for the OpenSSL project 2005.
@@ -1018,7 +1018,8 @@ start:
                 struct hm_header_st msg_hdr;
 
                 /* this may just be a stale retransmit */
-                dtls1_get_message_header(rr->data, &msg_hdr);
+                if (!dtls1_get_message_header(rr->data, &msg_hdr))
+                        return -1;
                 if (rr->epoch != s->d1->r_epoch) {
                         rr->length = 0;
                         goto start;