netdev - Re: [PATCH v2] typhoon: Use request

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Message-Id: <1235980579.23967.2.camel@localhost.localdomain>
Date:	Mon, 02 Mar 2009 02:56:19 -0500
From:	David Dillow <dave@...dillows.org>
To:	David Miller <davem@...emloft.net>
Cc:	ben@...adent.org.uk, netdev@...r.kernel.org
Subject: Re: [PATCH v2] typhoon: Use request_firmware()

On Sun, 2009-03-01 at 20:29 -0800, David Miller wrote:
> I cared enough to fix this, maybe one of you will care enough
> to test it.

Like I said, I will be happy to test as soon as I can dig the hardware
out. In any event, this is broken.

>  static int
>  typhoon_request_firmware(struct typhoon *tp)
> @@ -1367,12 +1368,22 @@ typhoon_request_firmware(struct typhoon *tp)
>  	    memcmp(typhoon_fw->data, "TYPHOON", 8)) {
>  		printk(KERN_ERR "%s: Invalid firmware image\n",
>  		       tp->name);
> -		release_firmware(typhoon_fw);
> -		typhoon_fw = NULL;
> -		return -EINVAL;
> +		err = -EINVAL;
> +		goto out_err;
> +	}
> +
> +	typhoon_fw_image = kmalloc(typhoon_fw->size, GFP_KERNEL);
> +	if (!typhoon_fw_image) {
> +		err = -ENOMEM;
> +		goto out_err;
>  	}

You never copied the image into the kmalloc'd memory, so you upload
garbage.

Fix that and I think it will be OK.

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