From d92609e665d5cd95cc9c6a1a82eae3fffe94a683 Mon Sep 17 00:00:00 2001
From: Con Kolivas <kernel@kolivas.org>
Date: Sun, 28 Oct 2012 19:58:35 +1100
Subject: [PATCH] Fail on select() failing in stratum thread without needing to
 attempt recv_line.

---
 cgminer.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/cgminer.c b/cgminer.c
index 8ec4f6ba..cbed74f6 100644
--- a/cgminer.c
+++ b/cgminer.c
@@ -4333,8 +4333,10 @@ static void *stratum_thread(void *userdata)
 		 * every minute so if we fail to receive any for 90 seconds we
 		 * assume the connection has been dropped and treat this pool
 		 * as dead */
-		select(pool->sock + 1, &rd, NULL, NULL, &timeout);
-		s = recv_line(pool);
+		if (unlikely(select(pool->sock + 1, &rd, NULL, NULL, &timeout) < 1))
+			s = NULL;
+		else
+			s = recv_line(pool);
 		if (!s) {
 			applog(LOG_INFO, "Stratum connection to pool %d interrupted", pool->pool_no);
 			pool->getfail_occasions++;