linux-kernel - Re: [PATCH 2/2] Add Dell laptop driver

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Date:	Sat, 16 Aug 2008 19:31:36 -0400
From:	"Parag Warudkar" <parag.warudkar@...il.com>
To:	"Matthew Garrett" <mjg59@...f.ucam.org>
Cc:	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] Add Dell laptop driver

On Sat, Aug 16, 2008 at 7:23 PM, Matthew Garrett <mjg59@...f.ucam.org> wrote:
> On Sat, Aug 16, 2008 at 07:17:05PM -0400, Parag Warudkar wrote:
>> > +   da_tokens = krealloc(da_tokens, (da_num_tokens + tokens) *
>> > +                        sizeof(struct calling_interface_token),
>> > +                        GFP_KERNEL);
>>
>> Isn't a NULL check required here?
>
> To the extent that it would result in this failing gracefully before
> some other part of the kernel becomes hideously upset, sure. I have a
> hard time caring, but I can easily fix it if other people do :)

Yeah, it's a RFKill switch after all, not a LaptopKill switch :)

Seriously though a quick search through LXR results for kzalloc shows
that most everyone does care.
And if I find ones that don't  a patch will follow soon.

Thanks

Parag
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