Fix coverity warning (#4003)

* Fix coverity warning

* Fix incorrect data supplied to pj_sockaddr_has_addr()

* Change the return value to maintain the behavior

Author: trengginas

pjlib/src/pjlib-test/ioq_tcp.c

@@ -887,7 +887,7 @@ static int compliance_test_2(const pj_ioqueue_cfg *cfg)
         if (client[i].key != NULL) {
             pj_ioqueue_unregister(client[i].key);
             client[i].key = NULL;
-            server[i].sock = PJ_INVALID_SOCKET;
+            client[i].sock = PJ_INVALID_SOCKET;
         } else if (client[i].sock != PJ_INVALID_SOCKET) {
             pj_sock_close(client[i].sock);
             client[i].sock = PJ_INVALID_SOCKET;

pjmedia/src/pjmedia/endpoint.c

@@ -803,8 +803,10 @@ pjmedia_endpt_create_video_sdp(pjmedia_endpt *endpt,
             continue;
         }
 
-        pjmedia_vid_codec_mgr_get_default_param(NULL, &codec_info[i],
-                                                &codec_param);
+        status = pjmedia_vid_codec_mgr_get_default_param(NULL, &codec_info[i],
+                                                         &codec_param);
+        if (status != PJ_SUCCESS)
+            return status;
 
         fmt = &m->desc.fmt[m->desc.fmt_count++];
         fmt->ptr = (char*) pj_pool_alloc(pool, 8);

pjmedia/src/pjmedia/stream.c

@@ -2895,7 +2895,7 @@ PJ_DEF(pj_status_t) pjmedia_stream_create( pjmedia_endpt *endpt,
     pj_sockaddr_cp(&stream->rem_rtp_addr, &info->rem_addr);
     if (stream->si.rtcp_mux) {
         pj_sockaddr_cp(&att_param.rem_rtcp, &info->rem_addr);
-    } else if (pj_sockaddr_has_addr(&info->rem_rtcp.addr)) {
+    } else if (pj_sockaddr_has_addr(&info->rem_rtcp)) {
         pj_sockaddr_cp(&att_param.rem_rtcp, &info->rem_rtcp);
     }
     att_param.addr_len = pj_sockaddr_get_len(&info->rem_addr);

pjmedia/src/pjmedia/vid_stream.c

@@ -2044,7 +2044,7 @@ PJ_DEF(pj_status_t) pjmedia_vid_stream_create(
     pj_sockaddr_cp(&stream->rem_rtp_addr, &info->rem_addr);
     if (info->rtcp_mux) {
         pj_sockaddr_cp(&att_param.rem_rtcp, &info->rem_addr);
-    } else if (pj_sockaddr_has_addr(&info->rem_rtcp.addr)) {
+    } else if (pj_sockaddr_has_addr(&info->rem_rtcp)) {
         pj_sockaddr_cp(&att_param.rem_rtcp, &info->rem_rtcp);
     }
     att_param.addr_len = pj_sockaddr_get_len(&info->rem_addr);

pjsip/src/pjsip-ua/sip_100rel.c

@@ -269,6 +269,12 @@ PJ_DEF(pj_status_t) pjsip_100rel_create_prack( pjsip_inv_session *inv,
     }
     rseq = (pj_uint32_t) pj_strtoul(&rseq_hdr->hvalue);
 
+    if (rseq < 1) {
+        PJ_LOG(4, (dd->inv->dlg->obj_name,
+                   "Ignoring 100rel response RSeq header value less than 1"));
+        return PJ_EIGNORED;
+    }
+
     /* Find UAC state for the specified call leg */
     uac_state = dd->uac_state_list;
     while (uac_state) {