netdev - Re: [PATCH net-next] drivers/scsi: Remove warnings after vsprintf %pV introduction

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Message-Id: <20100710.231026.233698429.davem@davemloft.net>
Date:	Sat, 10 Jul 2010 23:10:26 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	joe@...ches.com
Cc:	sfr@...b.auug.org.au, netdev@...r.kernel.org,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	gregkh@...e.de, James.Bottomley@...e.de, matthew@....cx,
	linux-scsi@...r.kernel.org
Subject: Re: [PATCH net-next] drivers/scsi: Remove warnings after vsprintf
 %pV introduction

From: Joe Perches <joe@...ches.com>
Date: Sat, 10 Jul 2010 22:08:41 -0700

> On Sat, 2010-07-10 at 19:52 -0700, David Miller wrote:
>> Could you take a stab at this and the other scsi bits that
>> trigger this warning?
> 
> Remove warnings introduced by conversions of dev_<level>
> macros to functions.
> 
> Compile tested only.
> 
> Signed-off-by: Joe Perches <joe@...ches.com>

SCSI folks, the background is that we have moved the dev_*() printk
macros to external functions, so that the prefixing printf strings
don't get emitting at every call site.

As a consequence, dev_*() calls that try to use an empty string as the
printf format emit a warning from gcc since an empty constant string
is not a valid printf format.

That's what this change is all about.

Anyways:

Acked-by: David S. Miller <davem@...emloft.net>
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