linux-kernel - [PATCH v2] usb: misc: legousbtower: Fix memory leak

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Message-Id: <20170513204926.9089-1-maksim.salau@gmail.com>
Date:   Sat, 13 May 2017 23:49:26 +0300
From:   Maksim Salau <maksim.salau@...il.com>
To:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Juergen Stuber <starblue@...rs.sourceforge.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        legousb-devel@...ts.sourceforge.net, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Alfredo Rafael Vicente Boix <alviboi@...il.com>
Cc:     Maksim Salau <maksim.salau@...il.com>
Subject: [PATCH v2] usb: misc: legousbtower: Fix memory leak

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>
---

 v2:
 Changed tags to match guidelines.

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

diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c
index aa3c280fdf8d..0782ac6f5edf 100644
--- a/drivers/usb/misc/legousbtower.c
+++ b/drivers/usb/misc/legousbtower.c
@@ -926,6 +926,7 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device
 		 USB_MAJOR, dev->minor);
 
 exit:
+	kfree(get_version_reply);
 	return retval;
 
 error:
-- 
2.9.3