linux-kernel - Re: [PATCH] atmusb: Fix dynamic

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Date:	Sat, 26 Oct 2013 22:02:37 +0200
From:	Krzysztof Mazur <krzysiek@...lesie.net>
To:	Joe Perches <joe@...ches.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Felipe Balbi <balbi@...com>, linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org
Subject: Re: [PATCH] atmusb: Fix dynamic_debug macros

On Sat, Oct 26, 2013 at 12:28:56PM -0700, Joe Perches wrote:
> On Sat, 2013-10-26 at 11:55 -0700, Joe Perches wrote:
> > Fix use of atm_dbg to all normal pr_debug not dynamic_pr_debug
> > because dynamic_pr_debug may not be compiled in at all.
> 
> Greg, please don't apply this one.
> I'll resubmit one that actually works.
> 
> (the arg...) should be ...
> 
> > +#define atm_dbg(instance, format, arg...)				\
>                                      ^ oops.
> 
> > +#define atm_rldbg(instance, format, arg...)				\
> > +	pr_debug_ratelimited("ATM dev %d: " format,			\
> > +			     (instance)->atm_dev->number, ##__VA_ARGS__)
> 
> here too.
> 

Yeah, I initially fixed that with changing "##__VAR_ARGS" to "## arg",
but without with "arg..." -> "..." it also compiles and runs correctly.

I tested that only in my configuration - without DEBUG and DYNAMIC_DEBUG
- and compile tested that it with DYNAMIC_DEBUG. If you like you can add:

Tested-by: Krzysztof Mazur <krzysiek@...lesie.net>

BTW: the driver is named usbatm, not atmusb.

Thanks,
Krzysiek
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