Only display the no pool work message once if there are multiple waiters in hash_pop
diff --git a/cgminer.c b/cgminer.c
index 0c98f61..fd70bb8 100644
--- a/cgminer.c
+++ b/cgminer.c
@@ -5495,7 +5495,10 @@ static struct work *hash_pop(void)
then.tv_sec = now.tv_sec + 5;
then.tv_nsec = now.tv_usec * 1000;
rc = pthread_cond_timedwait(&getq->cond, stgd_lock, &then);
- if (rc) {
+ /* Check again for !no_work as multiple threads may be
+ * waiting on this condition and another may set the
+ * bool separately. */
+ if (rc && !no_work) {
applog(LOG_WARNING, "Waiting for work to be available from pools.");
no_work = true;
}