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From: YueHaibing <yuehaibing@huawei.com>
To: Kalle Valo <kvalo@codeaurora.org>,
	Arend van Spriel <arend.vanspriel@broadcom.com>
Cc: <j@w1.fi>, <linux-kernel@vger.kernel.org>,
	<netdev@vger.kernel.org>, <linux-wireless@vger.kernel.org>,
	<davem@davemloft.net>, Randy Dunlap <rdunlap@infradead.org>
Subject: Re: [PATCH] hostap: hide unused procfs helpers
Date: Fri, 27 Jul 2018 18:03:38 +0800	[thread overview]
Message-ID: <9c6401cd-c04c-1230-d360-922b476c6541@huawei.com> (raw)
In-Reply-To: <87r2jpvxme.fsf@codeaurora.org>

On 2018/7/27 17:25, Kalle Valo wrote:
> Arend van Spriel <arend.vanspriel@broadcom.com> writes:
> 
>> + Randy
>>
>> On 7/13/2018 9:03 AM, YueHaibing wrote:
>>> When CONFIG_PROC_FS isn't set, gcc warning this:
>>>
>>> drivers/net/wireless/intersil/hostap/hostap_hw.c:2901:12: warning: ‘prism2_registers_proc_show’ defined but not used [-Wunused-function]
>>>   static int prism2_registers_proc_show(struct seq_file *m, void *v)
>>>
>>> drivers/net/wireless/intersil/hostap/hostap_proc.c:16:12: warning: ‘prism2_debug_proc_show’ defined but not used [-Wunused-function]
>>>   static int prism2_debug_proc_show(struct seq_file *m, void *v)
>>>              ^
>>> drivers/net/wireless/intersil/hostap/hostap_proc.c:49:12: warning: ‘prism2_stats_proc_show’ defined but not used [-Wunused-function]
>>>   static int prism2_stats_proc_show(struct seq_file *m, void *v)
>>>              ^
>>> drivers/net/wireless/intersil/hostap/hostap_proc.c:177:12: warning: ‘prism2_crypt_proc_show’ defined but not used [-Wunused-function]
>>>   static int prism2_crypt_proc_show(struct seq_file *m, void *v)
>>>              ^
>>>
>>> fix this by adding #ifdef around them.
>>> hfa384x_read_reg is only used by prism2_registers_proc_show,so move it
>>> into #ifdef.
>>
>> There was already a fix for this posted by Randy Dunlap taking a
>> different approach, ie. use __maybe_unused classifier. To be honest I
>> prefer the ifdef approach as it is more explicit and does not feel
>> like a cheat.
> 
> I also prefer the ifdef approach more so I'm planning to take this
> patch.

It's ok if you prefer pick this.

> 

  reply	other threads:[~2018-07-27 11:24 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-13  7:03 YueHaibing
2018-07-13  7:26 ` Arend van Spriel
2018-07-13  7:26   ` Arend van Spriel
2018-07-13  9:37   ` YueHaibing
2018-07-13 16:43   ` Randy Dunlap
2018-07-27  9:25   ` Kalle Valo
2018-07-27  9:25     ` Kalle Valo
2018-07-27 10:03     ` YueHaibing [this message]
2018-07-27 15:46       ` Randy Dunlap
2018-07-31  7:21 ` Kalle Valo

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