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Subject: Re: [PATCH v4 6/9] vsprintf: Factor out %pV handler as va_format()
From: Joe Perches <joe@perches.com>
To: Petr Mladek <pmladek@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Rasmus Villemoes <linux@rasmusvillemoes.dk>,
        "Tobin C . Harding" <me@tobin.cc>,
        Andrew Morton <akpm@linux-foundation.org>,
        Michal Hocko <mhocko@suse.cz>,
        Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
        linux-kernel@vger.kernel.org
Date: Mon, 09 Apr 2018 04:59:43 -0700
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On Mon, 2018-04-09 at 13:44 +0200, Petr Mladek wrote:
> What exactly is wrong?

I doubt the need.
Adding complexity doesn't seem useful.

> What you would suggest instead?

A static analysis on the source code instead
of runtime checking.

Perhaps a gcc plugin to validate extension to
pointer type or an external tool to do the same.