From 745d95246c12f403cb2c6160bd5194bfdcccc9f6 Mon Sep 17 00:00:00 2001
From: Con Kolivas <kernel@kolivas.org>
Date: Thu, 5 Feb 2015 10:49:41 +1100
Subject: [PATCH] Check for client ref counts in dropall

---
 src/stratifier.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/stratifier.c b/src/stratifier.c
index 9231d6c6..39188872 100644
--- a/src/stratifier.c
+++ b/src/stratifier.c
@@ -936,8 +936,11 @@ static void drop_allclients(ckpool_t *ckp)
 
 	ck_wlock(&sdata->instance_lock);
 	HASH_ITER(hh, sdata->stratum_instances, client, tmp) {
-		HASH_DEL(sdata->stratum_instances, client);
-		__kill_instance(client);
+		if (!client->ref) {
+			HASH_DEL(sdata->stratum_instances, client);
+			__kill_instance(client);
+		} else
+			client->dropped = true;
 		kills++;
 		sprintf(buf, "dropclient=%"PRId64, client->id);
 		send_proc(ckp->connector, buf);