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

From: Greg KH
Date: Sat Jan 20 2018 - 03:00:41 EST


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.

>
> Change-Id: I08e143707a0d31610821a7f16826c262bf3c1999

I'm guessing you didn't run scripts/checkpatch.pl on this patch :(

Please fix up and resend.

thanks,

greg k-h