Re: [PATCH] iwl4965: Enable checking of format strings

From: Stanislaw Gruszka
Date: Tue Apr 28 2015 - 13:49:32 EST

On Tue, Apr 28, 2015 at 07:19:02PM +0300, Kalle Valo wrote:
> Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx> writes:
> > Since these fmt_* variables are just const char*, and not const
> > char[], gcc (and smatch) doesn't to type checking of the arguments to
> > the printf functions. Since the linker knows perfectly well to merge
> > identical string constants, there's no point in having three static
> > pointers waste memory and give an extra level of indirection.
> >
> > This removes over 100 "non-constant format argument" warnings from
> > smatch, accounting for about 20% of all such warnings in an
> > allmodconfig.
> >
> > Signed-off-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
> So what's the conclusion, should I commit this patch or not?
> Full discussion here:

I do not see the point of the patch. If compiler behave not
optimally, fix the compiler. NACK.

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