Re: [PATCH] ftrace: enable format arguments checking

From: Steven Rostedt
Date: Tue Dec 23 2008 - 22:36:52 EST



On Wed, 24 Dec 2008, Lai Jiangshan wrote:

> Lai Jiangshan wrote:
> > format arguments checking for ftrace_printk() is __printf(1, 2),
> > not __printf(1, 0).
> >
> > Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
> > ---
> > diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
> > index 9c5bc6b..0c71788 100644
> > --- a/include/linux/ftrace.h
> > +++ b/include/linux/ftrace.h
> > @@ -210,7 +210,7 @@ extern void ftrace_dump(void);
> > static inline void
> > ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { }
> > static inline int
> > -ftrace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 0)));
>
> Hi, Steven Rostedt
> Did you notice this patch?
> This patch changed a char in a line: s/0/2/. It enables the format checking.
>
> Lai.
>
> > +ftrace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
> >
> > static inline int
> > ftrace_printk(const char *fmt, ...)
> >

Ah yes, sorry, I'm rushing to get some other things done because I'll be
on holiday tomorrow through to Jan 5th.

I'll pull it into the rest of my next series.

-- Steve

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