Rollback breakage to 81567e5157

cgminer.c

@@ -2618,23 +2618,11 @@ static struct pool *select_balanced(struct pool *cp)
 	return ret;
 }
 
-static bool pool_unusable(struct pool *pool)
-{
-	if (pool->idle)
-		return true;
-	if (pool->enabled != POOL_ENABLED)
-		return true;
-	if (pool->has_stratum && !pool->stratum_active)
-		return true;
-	return false;
-}
-
 /* Select any active pool in a rotating fashion when loadbalance is chosen */
 static inline struct pool *select_pool(bool lagging)
 {
 	static int rotating_pool = 0;
 	struct pool *pool, *cp;
-	int tested;
 
 	cp = current_pool();
 
@@ -2646,19 +2634,14 @@ static inline struct pool *select_pool(bool lagging)
 	else
 		pool = NULL;
 
-	/* Try to find the first pool in the rotation that is usable */
-	tested = 0;
-	while (!pool && tested++ < total_pools) {
+	while (!pool) {
 		if (++rotating_pool >= total_pools)
 			rotating_pool = 0;
 		pool = pools[rotating_pool];
-		if (!pool_unusable(pool))
+		if ((!pool->idle && pool->enabled == POOL_ENABLED) || pool == cp)
 			break;
 		pool = NULL;
 	}
-	/* If still nothing is usable, use the current pool */
-	if (!pool)
-		pool = cp;
 
 	return pool;
 }
@@ -3403,10 +3386,10 @@ void switch_pools(struct pool *selected)
 		case POOL_LOADBALANCE:
 			for (i = 0; i < total_pools; i++) {
 				pool = priority_pool(i);
-				if (pool_unusable(pool) && pool != selected)
-					continue;
-				pool_no = pool->pool_no;
-				break;
+				if (!pool->idle && pool->enabled == POOL_ENABLED) {
+					pool_no = pool->pool_no;
+					break;
+				}
 			}
 			break;
 		/* Both of these simply increment and cycle */
@@ -3423,10 +3406,10 @@ void switch_pools(struct pool *selected)
 				if (next_pool >= total_pools)
 					next_pool = 0;
 				pool = pools[next_pool];
-				if (pool_unusable(pool) && pool != selected)
-					continue;
-				pool_no = next_pool;
-				break;
+				if (!pool->idle && pool->enabled == POOL_ENABLED) {
+					pool_no = next_pool;
+					break;
+				}
 			}
 			break;
 		default: