add assert

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@6182 d0543943-73ff-0310-b7d9-9358b9ac24b2

diff --git a/src/switch_core_io.c b/src/switch_core_io.c
index 229580f4b40dc6fc9cdaa8f5bdc7fde118e78ab2..8006663a078e4f52b20625b5898ddd11c7cd6f50 100644 (file)
--- a/src/switch_core_io.c
+++ b/src/switch_core_io.c
@@ -136,6 +136,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_read_frame(switch_core_sessi
                goto done;
        }
 
+       assert((*frame)->codec != NULL);
        if ((session->read_codec && (*frame)->codec && session->read_codec->implementation != (*frame)->codec->implementation)) {
                need_codec = TRUE;
        }