If you change the bindaddr in sip.conf to a non-bound address and reload, sip goes kablooie.

Reported and patched by: one47
(Closes issue #11535)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@96525 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -15487,6 +15487,9 @@ static void *do_monitor(void *data)
 					sipsock_read_id = ast_io_change(io, sipsock_read_id, sipsock, NULL, 0, NULL);
 				else
 					sipsock_read_id = ast_io_add(io, sipsock, sipsock_read, AST_IO_IN, NULL);
+			} else if (sipsock_read_id) {
+				ast_io_remove(io, sipsock_read_id);
+				sipsock_read_id = NULL;
 			}
 		}
 		/* Check for interfaces needing to be killed */