linux-kernel - [PATCH 3.10 30/45] can: esd_usb2: fix memory leak on disconnect

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Message-Id: <20141205223321.528432914@linuxfoundation.org>
Date:	Fri,  5 Dec 2014 14:45:13 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Alexey Khoroshilov <khoroshilov@...ras.ru>,
	Matthias Fuchs <matthias.fuchs@....eu>,
	Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH 3.10 30/45] can: esd_usb2: fix memory leak on disconnect

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alexey Khoroshilov <khoroshilov@...ras.ru>

commit efbd50d2f62fc1f69a3dcd153e63ba28cc8eb27f upstream.

It seems struct esd_usb2 dev is not deallocated on disconnect. The patch adds
the missing deallocation.

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

Signed-off-by: Alexey Khoroshilov <khoroshilov@...ras.ru>
Acked-by: Matthias Fuchs <matthias.fuchs@....eu>
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/net/can/usb/esd_usb2.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/can/usb/esd_usb2.c
+++ b/drivers/net/can/usb/esd_usb2.c
@@ -1132,6 +1132,7 @@ static void esd_usb2_disconnect(struct u
 			}
 		}
 		unlink_all_urbs(dev);
+		kfree(dev);
 	}
 }
 


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