netdev - Re: [PATCH] can-raw: Fix skb_orphan

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Message-ID: <4C584DB2.8020406@hartkopp.net>
Date:	Tue, 03 Aug 2010 19:11:14 +0200
From:	Oliver Hartkopp <socketcan@...tkopp.net>
To:	Patrick Ohly <patrick.ohly@...el.com>
CC:	David Miller <davem@...emloft.net>,
	"eric.dumazet@...il.com" <eric.dumazet@...il.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"socketcan-core@...ts.berlios.de" <socketcan-core@...ts.berlios.de>,
	"matthias.fuchs@....eu" <matthias.fuchs@....eu>
Subject: Re: [PATCH] can-raw: Fix skb_orphan_try handling

On 03.08.2010 18:14, Patrick Ohly wrote:
> On Tue, 2010-08-03 at 18:22 +0300, Oliver Hartkopp wrote:
>>>> The flags are tested all together in skb_orphan_try() ...
>>>
>>> This is why I hate using unions in situations like this... it makes
>>> code impossible to audit easily.
>>>
>>> This damn thing should just be a "u8 flags" and a bunch of bit mask
>>> CPP macro defines for the various boolean values.
>>
>> Yep! I also felt like this.
>>
>> Maybe Patrick Ohly can give some feedback, if he's ok with that kind of
>> change. So far there are only a few places that would need to be changed for
>> the flags bitops.
> 
> I'm fine with using a simple u8. I'm not sure where I picked up the
> union thing, it's not something that I usually do in my own code.
> 

:-)

Im currently busy until next week, would you like to provide a patch?

Regards,
Oliver
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