dialog: do not remove SDP if no SDP is provided

(cherry picked from commit d92f870)
OpenSIPS · Jan 23, 2023 · de15084 · de15084
1 parent 5137709
commit de15084
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/modules/dialog/dlg_handlers.c b/modules/dialog/dlg_handlers.c
@@ -784,8 +784,10 @@ static void dlg_update_out_sdp(struct dlg_cell *dlg, int in_leg, int out_leg, st
 
 	if (get_body(msg,&sdp) < 0) {
 		LM_ERR("Failed to extract SDP \n");
-		sdp.s = NULL;
-		sdp.len = 0;
+		return;
+	} else if (sdp.len == 0) {
+		LM_DBG("no outbound SDP to update\n");
+		return;
 	}
 
 	dlg_lock_dlg(dlg);