Handle failed tolines command in bflsc driver.
diff --git a/driver-bflsc.c b/driver-bflsc.c
index 097293a..7ca551d 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)