Check for cnx_needed on each loop through wait_lp_current.

cgminer.c

@@ -6304,12 +6304,9 @@ static struct pool *select_longpoll_pool(struct pool *cp)
  */
 static void wait_lpcurrent(struct pool *pool)
 {
-	if (cnx_needed(pool))
-		return;
-
-	while (pool->enabled == POOL_DISABLED ||
+	while (!cnx_needed(pool) && (pool->enabled == POOL_DISABLED ||
 	       (pool != current_pool() && pool_strategy != POOL_LOADBALANCE &&
-	       pool_strategy != POOL_BALANCE)) {
+	       pool_strategy != POOL_BALANCE))) {
 		mutex_lock(&lp_lock);
 		pthread_cond_wait(&lp_cond, &lp_lock);
 		mutex_unlock(&lp_lock);