linux-kernel - Re: [PATCH] iwl4965: Enable checking of format strings

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Message-ID: <877fsw5iq1.fsf@kamboji.qca.qualcomm.com>
Date:	Tue, 28 Apr 2015 19:19:02 +0300
From:	Kalle Valo <kvalo@...eaurora.org>
To:	Rasmus Villemoes <linux@...musvillemoes.dk>
Cc:	Stanislaw Gruszka <sgruszka@...hat.com>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iwl4965: Enable checking of format strings

Rasmus Villemoes <linux@...musvillemoes.dk> 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@...musvillemoes.dk>

So what's the conclusion, should I commit this patch or not?

Full discussion here:

https://patchwork.kernel.org/patch/5814811/

-- 
Kalle Valo
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