Index: main/channel.c
===================================================================
--- main/channel.c	(revision 184383)
+++ main/channel.c	(working copy)
@@ -2039,12 +2039,6 @@
 		usleep(1);
 	}
 
-	if (chan->fdno == -1) {
-		ast_log(LOG_ERROR, "ast_read() called with no recorded file descriptor.\n");
-		f = &ast_null_frame;
-		goto done;
-	}
-
 	if (chan->masq) {
 		if (ast_do_masquerade(chan))
 			ast_log(LOG_WARNING, "Failed to perform masquerade\n");
@@ -2059,6 +2053,12 @@
 			ast_deactivate_generator(chan);
 		goto done;
 	}
+
+	if (chan->fdno == -1) {
+		ast_log(LOG_ERROR, "ast_read() called with no recorded file descriptor.\n");
+		f = &ast_null_frame;
+		goto done;
+	}
 	prestate = chan->_state;
 
 	/* Read and ignore anything on the alertpipe, but read only