netdev - Re: [PATCH net-next 11/14] tipc: Eliminate useless linked list initialization

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Message-ID: <4C6BDFFB.2050008@windriver.com>
Date:	Wed, 18 Aug 2010 09:28:27 -0400
From:	Paul Gortmaker <paul.gortmaker@...driver.com>
To:	David Miller <davem@...emloft.net>
CC:	netdev@...r.kernel.org, allan.stephens@...driver.com
Subject: Re: [PATCH net-next 11/14] tipc: Eliminate useless linked list initialization

On 10-08-17 08:29 PM, David Miller wrote:
> From: Paul Gortmaker<paul.gortmaker@...driver.com>
> Date: Tue, 17 Aug 2010 17:00:13 -0400
> 
>> From: Allan Stephens<allan.stephens@...driver.com>
>>
>> Eliminate the initialization of the port_list field of a newly created
>> TIPC port, since the port is immediately added to TIPC's global list
>> of ports (which alters the port_list field).
>>
>> Signed-off-by: Allan Stephens<allan.stephens@...driver.com>
>> Signed-off-by: Paul Gortmaker<paul.gortmaker@...driver.com>
> 
> This is not correct.
> 
> INIT_LIST_HEAD() is mandatory for all new objects, since it may
> initialize debugging knobs and whatnot inside of the list_head object
> when certain debugging options are enabled.
> 
> Therefore it may never be elided.

Thanks, I should have come to the same conclusion when I was looking
at that one.

P.

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