Re: [PATCH] staging: android: ion: Zero CMA allocated memory

From: Liam Mark
Date: Mon Jan 22 2018 - 11:53:05 EST


On Sat, 20 Jan 2018, Greg KH wrote:

> On Fri, Jan 19, 2018 at 11:16:47AM -0800, Liam Mark wrote:
> > Since the CMA API is now used directly the allocated memory is no longer
> > automatically zeroed.
> >
> > Explicitly zero CMA allocated memory to ensure that no data is exposed
> > to userspace.
>
> How far back does this patch need to be ported? What is the git commit
> id that caused this change to be needed? Please add it as a "Fixes:"
> tag to the patch.
>

It goes back to 204f672255c2 ("ion: Use CMA APIs directly"), I will update
the change.

> >
> > Change-Id: I08e143707a0d31610821a7f16826c262bf3c1999
>
> I'm guessing you didn't run scripts/checkpatch.pl on this patch :(
>
> Please fix up and resend.

Thanks, I will clean it up.

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