From 62585778e70e774d6f3ab73f5c585dba13af70d9 Mon Sep 17 00:00:00 2001
From: Con Kolivas <kernel@kolivas.org>
Date: Wed, 5 Jun 2013 21:27:57 +1000
Subject: [PATCH] Set cgusb->buffer to NULL when doing usb_buffer_disable.

---
 usbutils.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/usbutils.c b/usbutils.c
index 13167af0..c793b9ab 100644
--- a/usbutils.c
+++ b/usbutils.c
@@ -2538,6 +2538,7 @@ void usb_buffer_disable(struct cgpu_info *cgpu)
 		cgusb->bufamt = 0;
 		cgusb->bufsiz = 0;
 		free(cgusb->buffer);
+		cgusb->buffer = NULL;
 	}
 }