[U-Boot] [PATCH v3 1/4] mkexynosspl: fix uninitialized buffer

[Albert ARIBAUD <albert.u.boot@aribaud.net>]

Hi Minkyu,

On Sat, 14 Dec 2013 14:07:57 +0900, Minkyu Kang <mk7.kang@samsung.com>
wrote:

> Dear Albert,
> 
> On 13/12/13 18:00, Albert ARIBAUD wrote:
> > (adding Minkyu as the Samsung custodian)
> > 
> > On Mon,  9 Dec 2013 18:09:18 +0100, Albert ARIBAUD
> > <albert.u.boot@aribaud.net> wrote:
> > 
> >> mkexynos reads its input file which might be smaller than
> > 
> > ( typo: s/mkexynos/mkexynosspl/ -- wil fix when applying if thee is
> > no other change to be made )
> > 
> >> its read buffer, but always writes the whole buffer out.
> >> This does not affect the functionalyty of the output file,

... and s/functionalyty/functionality/, too.

> >> but it makes its content unpredictable as the end of the
> >> buffer is never initialized. Fix this by zeroing the buffer
> >> before reading the input file.
> > 
> > Minkyu: should the buffer be pre-filled with zeroes or should I use
> > ones instead? Or maybe the output could be truncated to the size of the
> > input?
> 
> Basically, the output file is fixed to 14K as same as buffer size.
> And the input file should be smaller than 14K.
> It's the rule of exynos spl.
> The role of mkexynosspl is just adding 4 byte checksum value to end of file.
> If the input file is bigger than 14K, output will be truncated.
> 
> > 
> > Amicalement,
> > Albert.
> >  
> >> Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
> 
> btw, this change looks reasonable to me.
> 
> Acked-by: Minkyu Kang <mk7.kang@samsung.com>

Thanks! If that's ok with you, I'll apply 1/4 to ARM, considering it a
kind of bugfix, and remove it from V4 of the patch series if there is
any.

Or if you prefer to apply 1/4 to u-boot-samsung, that's fine with me.

> Thanks,
> Minkyu Kang.

Amicalement,
-- 
Albert.