linux-kernel - [PATCH 1/6] staging: ozwpan: Check for correct config number.

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Date:	Fri, 23 Aug 2013 18:33:28 +0100
From:	Rupesh Gujare <rupesh.gujare@...el.com>
To:	<devel@...uxdriverproject.org>
CC:	<linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<gregkh@...uxfoundation.org>
Subject: [PATCH 1/6] staging: ozwpan: Check for correct config number.

Check for valid config number before completing set interface.

Signed-off-by: Rupesh Gujare <rupesh.gujare@...el.com>
---
 drivers/staging/ozwpan/ozhcd.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/ozwpan/ozhcd.c b/drivers/staging/ozwpan/ozhcd.c
index ab93b74..83ed64c 100644
--- a/drivers/staging/ozwpan/ozhcd.c
+++ b/drivers/staging/ozwpan/ozhcd.c
@@ -909,7 +909,7 @@ static void oz_hcd_complete_set_interface(struct oz_port *port, struct urb *urb,
 	struct usb_hcd *hcd = port->ozhcd->hcd;
 	int rc = 0;
 
-	if (rcode == 0) {
+	if ((rcode == 0) && (port->config_num > 0)) {
 		struct usb_host_config *config;
 		struct usb_host_interface *intf;
 		oz_dbg(ON, "Set interface %d alt %d\n", if_num, alt);
-- 
1.7.9.5

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