netdev - Re: [PATCH 2/2] kaweth: fix oops upon failed memory allocation

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Date:	Wed, 17 Aug 2016 15:15:49 +0200
From:	Bjørn Mork <bjorn@...k.no>
To:	Oliver Neukum <oneukum@...e.com>
Cc:	linux-usb@...r.kernel.org, netdev@...r.kernel.org,
	davem@...emloft.net, stern@...land.harvard.edu
Subject: Re: [PATCH 2/2] kaweth: fix oops upon failed memory allocation

Oliver Neukum <oneukum@...e.com> writes:

> Just return an error upon failure.
>
> Signed-off-by: Oliver Neukum <oneukum@...e.com>
> ---
>  drivers/net/usb/kaweth.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
> index 37bf715..3cd6906 100644
> --- a/drivers/net/usb/kaweth.c
> +++ b/drivers/net/usb/kaweth.c
> @@ -1049,6 +1049,8 @@ static int kaweth_probe(
>  		/* Download the firmware */
>  		dev_info(dev, "Downloading firmware...\n");
>  		kaweth->firmware_buf = (__u8 *)__get_free_page(GFP_KERNEL);
> +		if (!kaweth->firmware_buf)
> +				return -ENOMEM;

Eh, that should be "goto err_free_netdev;", shouldn't it?



Bjørn