From dd774a337ea53da7f120e861f1c96be7eed56d5d Mon Sep 17 00:00:00 2001
From: pooler <pooler@litecoinpool.org>
Date: Fri, 28 Mar 2014 11:13:10 +0100
Subject: [PATCH] Only increment extranonce2 when needed

---
 cpu-miner.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cpu-miner.c b/cpu-miner.c
index 95f9f26..a5685a6 100644
--- a/cpu-miner.c
+++ b/cpu-miner.c
@@ -664,7 +664,7 @@ static void *miner_thread(void *userdata)
 {
 	struct thr_info *mythr = userdata;
 	int thr_id = mythr->id;
-	struct work work;
+	struct work work = {{0}};
 	uint32_t max_nonce;
 	uint32_t end_nonce = 0xffffffffU / opt_n_threads * (thr_id + 1) - 0x20;
 	unsigned char *scratchbuf = NULL;
@@ -703,7 +703,7 @@ static void *miner_thread(void *userdata)
 			while (time(NULL) >= g_work_time + 120)
 				sleep(1);
 			pthread_mutex_lock(&g_work_lock);
-			if (work.data[19] >= end_nonce)
+			if (work.data[19] >= end_nonce && !memcmp(work.data, g_work.data, 76))
 				stratum_gen_work(&stratum, &g_work);
 		} else {
 			/* obtain new work from internal workio thread */