From 9065c63f405eda290bcee5c7b98311fbe93bdb7c Mon Sep 17 00:00:00 2001
From: Con Kolivas <kernel@kolivas.org>
Date: Fri, 17 Aug 2012 16:42:14 +1000
Subject: [PATCH] Repeating on timeout in ztex could make the code never
 return.

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

diff --git a/libztex.c b/libztex.c
index e4276a37..ae0ee4ae 100644
--- a/libztex.c
+++ b/libztex.c
@@ -618,8 +618,7 @@ int libztex_sendHashData(struct libztex_device *ztex, unsigned char *sendbuf)
 			ret -= cnt;
 			len += cnt;
 		} else
-			if (cnt != LIBUSB_ERROR_TIMEOUT)
-				break;
+			break;
 	}
 	if (unlikely(cnt < 0))
 		applog(LOG_ERR, "%s: Failed sendHashData with err %d", ztex->repr, cnt);
@@ -647,8 +646,7 @@ int libztex_readHashData(struct libztex_device *ztex, struct libztex_hash_data n
 			ret -= cnt;
 			len += cnt;
 		} else
-			if (cnt != LIBUSB_ERROR_TIMEOUT)
-				break;
+			break;
 	}
 
 	if (unlikely(cnt < 0)) {