Re: [PATCH v5 2/4] kernel hacking: new config NO_AUTO_INLINE to disable compiler auto-inline optimizations

From: Viresh Kumar
Date: Thu Jun 07 2018 - 05:10:38 EST


On 07-06-18, 11:03, Bernd Petrovitsch wrote:
> On Thu, 2018-06-07 at 14:08 +0530, Viresh Kumar wrote:
> > On 07-06-18, 15:46, Du, Changbin wrote:
> > > I think if the destination is not a null terminated string (If I understand your
> > > description below), memcpy can be used to get rid of such warning. The warning
> > > makes sense in general as explained in mannual. Thanks!
> >
> > The destination should be a null terminated string eventually, but we first need
> > to make sure src is a null terminated string.
>
> Is there strnlen() or memchr() in the kernel?
> Then check the source before copying it.

It would be extra work, but memchr can be used to work around this I believe.

@Johan ??

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viresh