linux-kernel - Re: [PATCH 1/1] genksyms: add printf format attribute to error_with

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Message-ID: <CAK7LNAQSQD-64E58dUmVyDkhymAJfGGD05dgnVG1P7BxW8SR+g@mail.gmail.com>
Date:   Tue, 6 Jun 2017 08:48:03 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Nicolas Iooss <nicolas.iooss_linux@....org>
Cc:     Michal Marek <mmarek@...e.com>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] genksyms: add printf format attribute to error_with_pos()

2017-05-20 20:27 GMT+09:00 Nicolas Iooss <nicolas.iooss_linux@....org>:
> When compiling with -Wsuggest-attribute=format in HOSTCFLAGS, gcc
> complains that error_with_pos() may be declared with a printf format
> attribute:
>
>     scripts/genksyms/genksyms.c:726:3: warning: function might be
>     possible candidate for ‘gnu_printf’ format attribute
>     [-Wsuggest-attribute=format]
>        vfprintf(stderr, fmt, args);
>        ^~~~~~~~
>
> This would allow catching printf-format errors at compile time in
> callers to error_with_pos(). Add this attribute.
>
> Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@....org>


Applied to linux-kbuild/fixes.  Thanks!



-- 
Best Regards
Masahiro Yamada