linux-kernel - Re: [PATCH] net: mac80211: tx.c: be sure of 'sdata->vif.type' must be NL80211_IFTYPE_AP when be in NL80211_IFTYPE

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Message-ID: <529E8F90.1020205@gmail.com>
Date:	Wed, 04 Dec 2013 10:12:32 +0800
From:	Chen Gang <gang.chen.5i5j@...il.com>
To:	Johannes Berg <johannes@...solutions.net>
CC:	Joe Perches <joe@...ches.com>,
	"John W. Linville" <linville@...driver.com>,
	rkuo <rkuo@...eaurora.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	linux-wireless@...r.kernel.org, netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH] net: mac80211: tx.c: be sure of 'sdata->vif.type' must
 be NL80211_IFTYPE_AP when be in NL80211_IFTYPE_AP case

On 12/02/2013 10:48 PM, Johannes Berg wrote:
> On Sun, 2013-12-01 at 14:38 -0800, Joe Perches wrote:
>> On Sun, 2013-12-01 at 10:35 +0100, Johannes Berg wrote:
>>> Good try, but no, now ap_sdata isn't even assigned. :)
>>
>> Right.  Oh well.  There's no improving this without
>> significant rewrite.  Even then, there may not be much
>> overall improvement.
> 
> I could see an improvement if we were to actually make changes to assign
> the pointer based on the iftype, when that changes, so that each
> function only has to handle the right type and we don't need the switch
> statement at all...
> 

OK, thanks, it is one of good ideas to me (which I can not find).  :-)


> But that's tricky to get right and I'm between vacations and holidays
> and all that ...
> 

It is really not urgent, and for keeping quality, it is necessary to
spend suitable time resource (e.g 1 hour or more) to  make, review and
test this kind of patch carefully by oneself.

So could you please help improve it when you have suitable related time
resources?


Thanks.
-- 
Chen Gang
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