linux-kernel - Re: [BUG ?] rtlwifi: rtl8723be: condition with no effect

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Message-ID: <20150614154642.GA10048@opentech.at>
Date:	Sun, 14 Jun 2015 17:46:42 +0200
From:	Nicholas Mc Guire <der.herr@...r.at>
To:	Larry Finger <Larry.Finger@...inger.net>
Cc:	Nicholas Mc Guire <hofrat@...dl.org>,
	Chaoming Li <chaoming_li@...lsil.com.cn>,
	Kalle Valo <kvalo@...eaurora.org>,
	"John W. Linville" <linville@...driver.com>,
	Jiri Kosina <jkosina@...e.cz>,
	Randy Dunlap <rdunlap@...radead.org>,
	Masanari Iida <standby24x7@...il.com>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [BUG ?] rtlwifi: rtl8723be: condition with no effect

On Sun, 14 Jun 2015, Larry Finger wrote:

> On 06/13/2015 05:43 AM, Nicholas Mc Guire wrote:
>> From: Nicholas Mc Guire <hofrat@...dl.org>
>>
>> scanning for trivial bug-patters with coccinelle spatches returned:
>> ./drivers/net/wireless/rtlwifi/rtl8723be/dm.c:886
>> 	WARNING: condition with no effect (if branch == else)
>>
>> Added in 'commit a619d1abe20c ("rtlwifi: rtl8723be: Add new driver")'
>>
>> drivers/net/wireless/rtlwifi/rtl8723be/dm.c - line numbers from 4.1-rc7
>> 886         if (thermalvalue > rtlefuse->eeprom_thermalmeter)
>> 887                 rtl8723be_dm_tx_power_track_set_power(hw, BBSWING, 0,
>> 888						 	index_for_channel);
>> 889         else
>> 890                 rtl8723be_dm_tx_power_track_set_power(hw, BBSWING, 0,
>> 891							index_for_channel);
>>
>> Can't figure out what the intent of this condition is but it currently has
>> no effect as if == else and this most likely is not the intent.
>
> I do not know what the correct code should be here, but I will contact 
> the Realtek engineers and get their interpretation. In the meantime, 
> please do not change this code.
>
as noted - I have no clue - so no intent to attempt a change
my mail is only intended as probable bug report.

thx!
hofrat
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