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

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Date:	Tue, 26 Apr 2011 09:34:34 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Harry Wei <jiaweiwei.xiyou@...il.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 Tue, 26 Apr 2011 10:48:10 +0800 Harry Wei wrote:

> 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("");'

Hi Harry,

Joe sent a different patch for this warning message.

thanks,
---
~Randy
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