linux-kernel - Re: [TRIVIAL PATCH] treewide: Cleanup continuations and remove logging message whitespace

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Date:	Tue, 26 Apr 2011 10:48:10 +0800
From:	Harry Wei <jiaweiwei.xiyou@...il.com>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	linux-kernel@...r.kernel.org, Joe Perches <joe@...ches.com>,
	Jiri Kosina <trivial@...nel.org>
Subject: Re: [TRIVIAL PATCH] treewide: Cleanup continuations and remove
 logging message whitespace

On Mon, Apr 25, 2011 at 08:22:30AM -0700, Randy Dunlap wrote:
> On Sat, 23 Apr 2011 20:38:19 -0700 Joe Perches wrote:
> 
> > Using C line continuation inside format strings is error prone.
> > Clean up the unintended whitespace introduced by misuse of \.
> > Neaten correctly used line continations as well for consistency.
> > 
> > drivers/scsi/arcmsr/arcmsr_hba.c has these errors as well,
> > but arcmsr needs a lot more work and the driver should likely be
> > moved to staging instead.
> > 
> > Signed-off-by: Joe Perches <joe@...ches.com>
>
Acked-by: Harry Wei <harryxiyou@...il.com>
> 
> 
> Joe,
> Is there a decent fix for this warning in linux-next:
> 
> drivers/tty/n_gsm.c:535: warning: zero-length gnu_printf format string
Hi Randy & Joe,
   I have seen the drivers/tty/n_gsm.c. 
>From line 529 to line 540 in drivers/tty/n_gsm.c like following.

529 static void hex_packet(const unsigned char *p, int len)
530 {
531	int i;
532	for (i = 0; i < len; i++) {
533		if (i && (i % 16) == 0) {
534			pr_cont("\n");
535			pr_debug("");                                                                      
536		}
537		pr_cont("%02X ", *p++);
538	}
539	pr_cont("\n");
540 }

Should we need the line 535? If true, i wanna the function of 
'pr_debug("");'

Thanks.
Harry Wei.
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