Ignore the submit_fail flag when deciding whether to recruit more curls or not since we have upper bounds on how many curls can be recruited, this test is redundant and can lead to problems.

cgminer.c

@@ -2227,7 +2227,7 @@ retry:
 	if (!pool->curls)
 		recruit_curl(pool);
 	else if (list_empty(&pool->curlring)) {
-		if (pool->submit_fail || pool->curls >= curl_limit) {
+		if (pool->curls >= curl_limit) {
 			pthread_cond_wait(&pool->cr_cond, &pool->pool_lock);
 			goto retry;
 		} else