linux-kernel - Re: [PATCH] carl9170: fix leaks at failure path in carl9170_usb

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Date:	Sat, 28 Sep 2013 01:17:54 -0300
From:	Fabio Estevam <festevam@...il.com>
To:	Alexey Khoroshilov <khoroshilov@...ras.ru>
Cc:	Christian Lamparter <chunkeey@...glemail.com>,
	"John W. Linville" <linville@...driver.com>,
	linux-wireless@...r.kernel.org,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	ldv-project@...uxtesting.org
Subject: Re: [PATCH] carl9170: fix leaks at failure path in carl9170_usb_probe()

On Sat, Sep 28, 2013 at 12:51 AM, Alexey Khoroshilov
<khoroshilov@...ras.ru> wrote:

> -       return request_firmware_nowait(THIS_MODULE, 1, CARL9170FW_NAME,
> +       err = request_firmware_nowait(THIS_MODULE, 1, CARL9170FW_NAME,
>                 &ar->udev->dev, GFP_KERNEL, ar, carl9170_usb_firmware_step2);
> +       if (err) {
> +               usb_put_dev(udev);
> +               usb_put_dev(udev);

You are doing the same free twice.

I guess you meant to also free: usb_put_dev(ar->udev)
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