From 61930f71816cc2d1ecb3f16873dd5d955d70a705 Mon Sep 17 00:00:00 2001
From: Christian Starkjohann <cs+github@obdev.at>
Date: Tue, 12 Nov 2013 12:00:35 +0100
Subject: Made usbSetInterrupt() tolerant to zero sized blocks.

---
 usbdrv/usbdrv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/usbdrv/usbdrv.c b/usbdrv/usbdrv.c
index d838935..6c61e3b 100644
--- a/usbdrv/usbdrv.c
+++ b/usbdrv/usbdrv.c
@@ -219,7 +219,7 @@ static inline void  usbResetStall(void)
 static void usbGenericSetInterrupt(uchar *data, uchar len, usbTxStatus_t *txStatus)
 {
 uchar   *p;
-char    i;
+schar   i;
 
 #if USB_CFG_IMPLEMENT_HALT
     if(usbTxLen1 == USBPID_STALL)
-- 
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