From: Herbert Xu <herbert-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org>
Subject: Re: [PATCH] Use memzero_explicit to clear local buffers
Date: Wed, 7 Jan 2015 07:54:54 +1100
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To: Giel van Schijndel <me-sZ9Uef1cvPWHXe+LvDLADg@public.gmane.org>
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On Tue, Jan 06, 2015 at 08:42:26PM +0100, Giel van Schijndel wrote:
> 
> Question: are you sure the compiler won't optimize the call to memset(0)
> way if it's immediately followed by kfree()?

Yes it won't be optimised away.  However, you could use kzfree.

> Another actually does change a stack-allocated buffer, I'll split that
> one off right away.

OK.

Thanks,
-- 
Email: Herbert Xu <herbert-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org>
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