Re: [PATCH] crypto: caam - Avoid GCC memset bug warning

[Uwe Kleine-König]

On Wed, Dec 28, 2022 at 04:46:39PM +0800, Herbert Xu wrote:
> Certain versions of gcc don't like the memcpy with a NULL dst
> (which only happens with a zero length).  This only happens
> when debugging is enabled so add an if clause to work around
> these warnings.
> 
> A similar warning used to be generated by sparse but that was
> fixed years ago.
> 
> Link: https://lore.kernel.org/lkml/202210290446.qBayTfzl-lkp@xxxxxxxxx
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Reported-by: Kees Cook <keescook@xxxxxxxxxxxx>
> Reported-by: Uwe Kleine-K�nig <u.kleine-koenig@xxxxxxxxxxxxxx>

Huh, broken encoding in the mail. I'd appreciate someone to doublecheck
it's fine in the final commit.

Tested-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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