Re: [PATCH] efi: Check for null efi kernel parameters

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Matt/Ricardo, thanks for ccing me, and sorry for late response I thought
to reply but I was busy on other things..

On 07/01/15 at 10:37am, Ricardo Neri wrote:
> On Wed, 2015-07-01 at 14:19 +0100, Matt Fleming wrote:
> > Did you hit this by passing "efi=" on the kernel command line?
> 
> I hit this by passing "efi" alone. "efi=" works well because the pointer
> points to a valid string that only contains \0.
> > 
> > I would have assumed that the generic early param parsing code would
> > have caught this problem since it's obviously a potential issue for
> > every other early_param() function, and so needs to be solved in a
> > more
> > general way.
> 
> Yes, I was dubious on where to apply the patch. I saw that
> parse_option_str does not check for the validity of the pointers. That
> might seem to be a more general fix. I'll take that route.

Ricardo, I agree to fix it in parse_option_str. Do you have sent any
update ?

Thanks
Dave
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