Fix infinite loop in wait

When it runs into this branch, n never increases and the ports never changes.
zsx · Jan 20, 2014 · 2b7516e · 2b7516e
1 parent ffa0d89
commit 2b7516e
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/core/c-port.c b/src/core/c-port.c
@@ -319,8 +319,9 @@ xx*/	REBINT Wait_Device(REBREQ *req, REBCNT timeout)
 	for (n = 0; n < SERIES_TAIL(ports);) {
 		val = BLK_SKIP(ports, n);
 		if (IS_PORT(val)) {
-			if (VAL_TAIL(waked) != Find_Block_Simple(VAL_SERIES(waked), 0, val)) {
-				Remove_Series(VAL_SERIES(waked), n, 1);
+			if (VAL_TAIL(waked) != 0 
+				&& VAL_TAIL(waked) == Find_Block_Simple(VAL_SERIES(waked), 0, val)) {//not found
+				Remove_Series(ports, n, 1);
 				continue;
 			}
 		}