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Subject: Re: [TRIVIAL PATCH] block: Correct misuses of 0x%<decimal>
From: yalin wang <yalin.wang2010@gmail.com>
In-Reply-To: <67B9124A-73E8-4AA1-81E5-18FAC69D3962@gmail.com>
Date: Tue, 4 Aug 2015 10:19:42 +0800
Cc: Don Brace <don.brace@pmcs.com>, open list <linux-kernel@vger.kernel.org>,
        iss_storagedev@hp.com, storagedev@pmcs.com,
        linux-scsi <linux-scsi@vger.kernel.org>
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To: Joe Perches <joe@perches.com>
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Ping ? 
> On Aug 3, 2015, at 16:56, yalin wang <yalin.wang2010@gmail.com> wrote:
> 
> 
>> On Aug 3, 2015, at 16:03, Joe Perches <joe@perches.com> wrote:
>> 
>> On Mon, 2015-08-03 at 15:25 +0800, yalin wang wrote:
>>>> On Aug 3, 2015, at 04:25, Joe Perches <joe@perches.com> wrote:
>>>> 
>>>> Correct misuse of 0x%d in logging messages.
>>>> 
>> []
>>> why not use like this : dev_dbg(&h->pdev->dev, "   Max outstanding 
>>> commands = %#x\n”  ? 
>>> %#x will add 0x prefix automatically .
>> 
>> It's generally a consistency thing.
>> A 0 value would be emitted as 0 and not 0x0.
>> 
> i try on my ubuntu , 
> 
> static int __init throtl_init(void)                                                                                                           
>  {                                                                                
>         printk("module init test: %#x %p\n", 0, (void *)0x123);                  
>          return 0;                                                                   
> 
>  }                                                                                   
> 
>  module_init(throtl_init); 
> 
> #uname -a
> Linux ubuntu 3.16.0-38-generic #52~14.04.1-Ubuntu SMP Fri May 8 09:43:57 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
> 
> #dmesg
> [259356.375586] module init test: 0x0 0000000000000123
> 
> it seems don’t need 0x%x for 0, just need %#x for all numbers.
> there are lots of use like this, i can change them if needed:
> 
> # egrep -r  -i '0x%\d*x'  .  | wc -l 
> 11776
> 
> 
> Thanks
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