linux-hardening - Re: [PATCH 01/64] media: omap3isp: Extract struct group for memcpy() region

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Message-ID: <20210730090054.GX1931@kadam>
Date:   Fri, 30 Jul 2021 12:00:54 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     dsterba@...e.cz, Kees Cook <keescook@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Bart Van Assche <bvanassche@....org>,
        linux-hardening@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Keith Packard <keithpac@...zon.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-staging@...ts.linux.dev, linux-block@...r.kernel.org,
        linux-kbuild@...r.kernel.org, clang-built-linux@...glegroups.com,
        nborisov@...e.com
Subject: Re: [PATCH 01/64] media: omap3isp: Extract struct group for memcpy()
 region

On Fri, Jul 30, 2021 at 10:38:45AM +0200, David Sterba wrote:
> Then is explicit memset the only reliable way accross all compiler
> flavors and supported versions?
> 

The = { } initializer works.  It's only when you start partially
initializing the struct that it doesn't initialize holes.

regards,
dan carpenter