linux-kernel - [PATCH 4.9 002/164] usb: misc: legousbtower: Fix memory leak

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Message-Id: <20170523200907.388784520@linuxfoundation.org>
Date:   Tue, 23 May 2017 22:06:59 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Maksim Salau <maksim.salau@...il.com>
Subject: [PATCH 4.9 002/164] usb: misc: legousbtower: Fix memory leak

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

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

From: Maksim Salau <maksim.salau@...il.com>

commit 0bd193d62b4270a2a7a09da43ad1034c7ca5b3d3 upstream.

get_version_reply is not freed if function returns with success.

Fixes: 942a48730faf ("usb: misc: legousbtower: Fix buffers on stack")
Reported-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Signed-off-by: Maksim Salau <maksim.salau@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/misc/legousbtower.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/usb/misc/legousbtower.c
+++ b/drivers/usb/misc/legousbtower.c
@@ -941,6 +941,7 @@ static int tower_probe (struct usb_inter
 		 USB_MAJOR, dev->minor);
 
 exit:
+	kfree(get_version_reply);
 	return retval;
 
 error: