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From: David Miller <davem@davemloft.net>
To: paul.gortmaker@windriver.com
Cc: netdev@vger.kernel.org, allan.stephens@windriver.com
Subject: Re: [PATCH net-next 11/14] tipc: Eliminate useless linked list initialization
Date: Tue, 17 Aug 2010 17:29:30 -0700 (PDT)	[thread overview]
Message-ID: <20100817.172930.226785324.davem@davemloft.net> (raw)
In-Reply-To: <1282078816-11844-12-git-send-email-paul.gortmaker@windriver.com>

From: Paul Gortmaker <paul.gortmaker@windriver.com>
Date: Tue, 17 Aug 2010 17:00:13 -0400

> From: Allan Stephens <allan.stephens@windriver.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@windriver.com>
> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.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.

  reply	other threads:[~2010-08-18  0:29 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-17 21:00 [PATCH 0/14 net-next] more TIPC fixes and updates Paul Gortmaker
2010-08-17 21:00 ` [PATCH net-next 01/14] tipc: Fix log buffer memory leak if initialization fails Paul Gortmaker
2010-08-17 21:00 ` [PATCH net-next 02/14] tipc: add SO_RCVLOWAT support to stream socket receive path Paul Gortmaker
2010-08-17 21:00 ` [PATCH net-next 03/14] tipc: Provide correct error code for unsupported connect() operation Paul Gortmaker
2010-08-17 21:00 ` [PATCH net-next 04/14] tipc: correct problems with misleading flags returned using poll() Paul Gortmaker
2010-08-17 21:00 ` [PATCH net-next 05/14] tipc: Check for disabled bearer when processing incoming messages Paul Gortmaker
2010-08-17 21:00 ` [PATCH net-next 06/14] tipc: Prevent crash when broadcast link cannot send to all nodes Paul Gortmaker
2010-08-17 21:00 ` [PATCH net-next 07/14] tipc: Fix premature broadcast advertisement by sending node Paul Gortmaker
2010-08-17 21:00 ` [PATCH net-next 08/14] tipc: Fix bug in broadcast link transmit statistics computation Paul Gortmaker
2010-08-17 21:00 ` [PATCH net-next 09/14] tipc: Remove per-connection sequence number logic Paul Gortmaker
2010-08-17 21:00 ` [PATCH net-next 10/14] tipc: Optimize tipc_node_has_active_links() Paul Gortmaker
2010-08-17 21:00 ` [PATCH net-next 11/14] tipc: Eliminate useless linked list initialization Paul Gortmaker
2010-08-18  0:29   ` David Miller [this message]
2010-08-18 13:28     ` Paul Gortmaker
2010-08-17 21:00 ` [PATCH net-next 12/14] tipc: Minor enhancements to name table display format Paul Gortmaker
2010-08-17 21:00 ` [PATCH net-next 13/14] tipc: Allow connect() to wait indefinitely Paul Gortmaker
2010-08-17 21:00 ` [PATCH net-next 14/14] tipc: Prevent missing name table entries when link flip-flops rapidly Paul Gortmaker
2010-08-18  0:33 ` [PATCH 0/14 net-next] more TIPC fixes and updates David Miller

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