Add DTLS sanity check.

Change-Id: Ib32612cf6c7ce9213a11b9cba82f630f8cd3564b

diff --git a/res/res_pjsip_sdp_rtp.c b/res/res_pjsip_sdp_rtp.c
index 1552b362aeb996913908e438aec8c14a0e713b76..95aae55fdf7e04e1d02085101775f8d5217a4d48 100644 (file)
--- a/res/res_pjsip_sdp_rtp.c
+++ b/res/res_pjsip_sdp_rtp.c
@@ -777,7 +777,7 @@ static void apply_dtls_attrib(struct ast_sip_session_media *session_media,
        struct ast_rtp_engine_dtls *dtls = ast_rtp_instance_get_dtls(session_media->rtp);
        pj_str_t *value;
 
-       if (!attr->value.ptr) {
+       if (!attr->value.ptr || !dtls) {
                return;
        }