linux-kernel - Re: [PATCH] tools/bootconfig: Fix wrong __VA_ARGS_

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Date:   Mon, 10 Feb 2020 12:07:26 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Michael Ellerman <mpe@...erman.id.au>
Cc:     Masami Hiramatsu <mhiramat@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH] tools/bootconfig: Fix wrong __VA_ARGS__ usage

On Mon, 10 Feb 2020 20:50:42 +1100
Michael Ellerman <mpe@...erman.id.au> wrote:

> > diff --git a/tools/bootconfig/include/linux/printk.h b/tools/bootconfig/include/linux/printk.h
> > index 017bcd6912a5..e978a63d3222 100644
> > --- a/tools/bootconfig/include/linux/printk.h
> > +++ b/tools/bootconfig/include/linux/printk.h
> > @@ -7,7 +7,7 @@
> >  /* controllable printf */
> >  extern int pr_output;
> >  #define printk(fmt, ...)	\
> > -	(pr_output ? printf(fmt, __VA_ARGS__) : 0)
> > +	(pr_output ? printf(fmt, ##__VA_ARGS__) : 0)
> >  
> >  #define pr_err printk
> >  #define pr_warn	printk  
> 
> Tested-by: Michael Ellerman <mpe@...erman.id.au>

Thanks! I'll rebase my branch with this.

-- Steve