From 21fd80dfa4fa5e8f993c5abfd093c5a740662027 Mon Sep 17 00:00:00 2001
From: Con Kolivas <kernel@kolivas.org>
Date: Fri, 26 Apr 2013 23:22:19 +1000
Subject: [PATCH] Handle failed tolines command in bflsc driver.

---
 driver-bflsc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/driver-bflsc.c b/driver-bflsc.c
index 097293ab..7ca551d1 100644
--- a/driver-bflsc.c
+++ b/driver-bflsc.c
@@ -606,6 +606,9 @@ static bool getinfo(struct cgpu_info *bflsc, int dev)
 	memset(&sc_dev, 0, sizeof(struct bflsc_dev));
 	sc_info->sc_count = 1;
 	res = tolines(bflsc, dev, &(buf[0]), &lines, &items, C_GETDETAILS);
+	if (!res)
+		return false;
+
 	for (i = 0; i < lines-2; i++) {
 		res = breakdown(ONECOLON, items[i], &count, &firstname, &fields, &lf);
 		if (lf)