1 files changed, 4 insertions, 2 deletions
diff --git a/pc/webrtc_sdp.cc b/pc/webrtc_sdp.cc
index d49684e209..29a9030483 100644
--- a/pc/webrtc_sdp.cc
+++ b/pc/webrtc_sdp.cc
@@ -686,10 +686,12 @@ void CreateTracksFromSsrcInfos(const SsrcInfoVec& ssrc_infos,
                                int msid_signaling) {
   RTC_DCHECK(tracks != NULL);
   for (const SsrcInfo& ssrc_info : ssrc_infos) {
+    // According to https://tools.ietf.org/html/rfc5576#section-6.1, the CNAME
+    // attribute is mandatory, but we relax that restriction.
     if (ssrc_info.cname.empty()) {
-      continue;
+      RTC_LOG(LS_WARNING) << "CNAME attribute missing for SSRC "
+                          << ssrc_info.ssrc_id;
     }
-
     std::vector<std::string> stream_ids;
     std::string track_id;
     if (msid_signaling & cricket::kMsidSignalingMediaSection) {