linux-kernel - [PATCH] NFC: port100: fix leak of usb

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Date:	Sun,  5 Jan 2014 00:08:05 +0400
From:	Alexey Khoroshilov <khoroshilov@...ras.ru>
To:	Thierry Escande <thierry.escande@...ux.intel.com>,
	Samuel Ortiz <sameo@...ux.intel.com>
Cc:	Alexey Khoroshilov <khoroshilov@...ras.ru>,
	Lauro Ramos Venancio <lauro.venancio@...nbossa.org>,
	Aloisio Almeida Jr <aloisio.almeida@...nbossa.org>,
	linux-wireless@...r.kernel.org, linux-nfc@...ts.01.org,
	linux-kernel@...r.kernel.org, ldv-project@...uxtesting.org
Subject: [PATCH] NFC: port100: fix leak of usb_device

port100_probe() calls usb_get_dev(), but there is no usb_put_dev()
in port100_disconnect(). The patch adds one.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@...ras.ru>
---
 drivers/nfc/port100.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/nfc/port100.c b/drivers/nfc/port100.c
index 8a0571eb2627..a8555f81cbba 100644
--- a/drivers/nfc/port100.c
+++ b/drivers/nfc/port100.c
@@ -1509,6 +1509,7 @@ static void port100_disconnect(struct usb_interface *interface)
 
 	usb_free_urb(dev->in_urb);
 	usb_free_urb(dev->out_urb);
+	usb_put_dev(dev->udev);
 
 	kfree(dev->cmd);
 
-- 
1.8.3.2

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