From b97e6aa5a095ab4e0795c1da80716c7cdbd90ac0 Mon Sep 17 00:00:00 2001
From: Con Kolivas <kernel@kolivas.org>
Date: Sun, 22 Apr 2012 10:57:23 +1000
Subject: [PATCH] Presumably we should return false when the capability is
 missing in libztex_checkCapability.

---
 libztex.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libztex.c b/libztex.c
index c6bd6aa7..d76d7987 100644
--- a/libztex.c
+++ b/libztex.c
@@ -64,8 +64,10 @@ static bool libztex_checkDevice(struct libusb_device *dev)
 static bool libztex_checkCapability(struct libztex_device *ztex, int i, int j)
 {
 	if (!((i >= 0) && (i <= 5) && (j >= 0) && (j < 8) &&
-	     (((ztex->interfaceCapabilities[i] & 255) & (1 << j)) != 0)))
+	     (((ztex->interfaceCapabilities[i] & 255) & (1 << j)) != 0))) {
 		applog(LOG_ERR, "%s: capability missing: %d %d", ztex->repr, i, i);
+		return false;
+	}
 	return true;
 }