From: Dan Carpenter <dan.carpenter@oracle.com>
To: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: keescook@chromium.org, viro@zeniv.linux.org.uk,
linux-kernel@vger.kernel.org, joe@perches.com, linux@horizon.com,
JBeulich@suse.com, kosaki.motohiro@gmail.com,
akpm@linux-foundation.org
Subject: Re: [PATCH 0/2] vsprintf: ignore %n again
Date: Wed, 18 Sep 2013 17:28:37 +0300 [thread overview]
Message-ID: <20130918142837.GU19256@mwanda> (raw)
In-Reply-To: <20130918141104.GT19256@mwanda>
On Wed, Sep 18, 2013 at 05:11:04PM +0300, Dan Carpenter wrote:
> asmlinkage __printf(1, 2) __cold
> int printk(const char *fmt, ...);
> +#define printk(fmt, ...) do { \
> + compiletime_assert(__builtin_constant_p(fmt), \
> + "Non-constant format string"); \
> + printk(fmt, ##__VA_ARGS__); \
> +} while (0)
Oops... That breaks the compile for printk.c.
Also don't we want 'const char fmt[] = "foo %s";' to be a valid format
string?
regards,
dan carpenter
next prev parent reply other threads:[~2013-09-18 14:28 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-16 7:43 [PATCH 0/2] vsprintf: ignore %n again Kees Cook
2013-09-16 7:43 ` [PATCH 1/2] remove all uses of printf's %n Kees Cook
2013-09-16 8:09 ` Geert Uytterhoeven
2013-09-16 15:00 ` Kees Cook
2013-09-17 13:06 ` Tetsuo Handa
2013-09-17 14:34 ` Kees Cook
2013-09-17 20:57 ` George Spelvin
2013-09-19 8:56 ` Tetsuo Handa
2013-09-19 14:28 ` Kees Cook
2013-09-20 4:09 ` Tetsuo Handa
2013-09-20 4:23 ` Joe Perches
2013-09-20 4:53 ` Kees Cook
2013-09-20 8:08 ` Jiri Slaby
2013-09-20 19:24 ` Kees Cook
2013-09-20 19:33 ` Joe Perches
2013-09-21 0:28 ` Tetsuo Handa
2013-09-22 8:09 ` George Spelvin
2013-09-22 8:16 ` Geert Uytterhoeven
2013-09-23 21:24 ` Kees Cook
2013-09-30 8:16 ` Tetsuo Handa
2013-09-16 11:41 ` Tetsuo Handa
2013-09-16 14:59 ` Kees Cook
2013-09-16 15:09 ` Joe Perches
2013-09-16 15:25 ` Kees Cook
2013-09-16 15:44 ` Joe Perches
2013-09-16 17:21 ` George Spelvin
2013-09-16 18:03 ` Joe Perches
2013-09-16 16:07 ` George Spelvin
2013-09-16 16:13 ` Joe Perches
2013-09-16 16:39 ` George Spelvin
2013-09-16 17:53 ` Joe Perches
2013-09-16 19:15 ` George Spelvin
2013-09-16 19:25 ` Joe Perches
2013-09-16 7:43 ` [PATCH 2/2] vsprintf: ignore %n again Kees Cook
2013-09-16 15:55 ` [PATCH 0/2] " Al Viro
2013-09-16 16:15 ` Lars-Peter Clausen
2013-09-16 16:30 ` George Spelvin
2013-09-16 18:20 ` Kees Cook
2013-09-18 13:14 ` Tetsuo Handa
2013-09-18 14:11 ` Dan Carpenter
2013-09-18 14:28 ` Dan Carpenter [this message]
2013-09-18 15:22 ` George Spelvin
2013-09-18 14:32 ` Kees Cook
2013-09-19 2:11 ` Tetsuo Handa
2013-09-19 7:08 ` Tetsuo Handa
2013-09-18 14:47 ` Kees Cook
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