prevent endless loop (just in case)

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13034 d0543943-73ff-0310-b7d9-9358b9ac24b2

diff --git a/src/mod/endpoints/mod_opal/mod_opal.cpp b/src/mod/endpoints/mod_opal/mod_opal.cpp
index ce5876131057f76a8951dc7f796370f3de54bb3a..dd2ba1e7122f93fe9e6f8112ddcb0e061748e138 100644 (file)
--- a/src/mod/endpoints/mod_opal/mod_opal.cpp
+++ b/src/mod/endpoints/mod_opal/mod_opal.cpp
@@ -1259,6 +1259,9 @@ switch_status_t FSMediaStream::read_frame(switch_frame_t **frame, switch_io_flag
           \r
         */\r
         while(!GetPatch()) {\r
+            if (!m_fsChannel || !switch_channel_up(m_fsChannel)) {\r
+                return SWITCH_STATUS_FALSE;\r
+            }\r
             switch_cond_next();\r
         }\r
         if (CheckPatchAndLock()) {\r