From: Oliver Hartkopp <oliver@hartkopp•net>
To: Arnaldo Carvalho de Melo <acme@ghostprotocols•net>
Cc: Urs Thuermann <urs@isnogud•escape.de>,
netdev@vger•kernel.org, David Miller <davem@davemloft•net>,
Patrick McHardy <kaber@trash•net>,
Thomas Gleixner <tglx@linutronix•de>,
YOSHIFUJI Hideaki <yoshfuji@linux-ipv6•org>,
"Eric W. Biederman" <ebiederm@xmission•com>,
Oliver Hartkopp <oliver@hartkopp•net>,
Oliver Hartkopp <oliver.hartkopp@volkswagen•de>,
Urs Thuermann <urs.thuermann@volkswagen•de>
Subject: Re: [PATCH 3/7] CAN: Add raw protocol
Date: Tue, 02 Oct 2007 16:53:04 +0200 [thread overview]
Message-ID: <47025B50.4070501@hartkopp.net> (raw)
In-Reply-To: <20071002143001.GF7881@ghostprotocols.net>
Arnaldo Carvalho de Melo wrote:
> Em Tue, Oct 02, 2007 at 03:10:09PM +0200, Urs Thuermann escreveu:
>
>
>> +
>> + if (ro->bound && ro->ifindex)
>> + dev = dev_get_by_index(&init_net, ro->ifindex);
>>
>
> dev_get_by_index can fail, are you sure that raw_enable_filters can cope
> with this possibility?
>
>
When dev_get_by_index() fails, the netdev is not there anymore.
In this case the netdev notifier handler already set ro->bound to 0.
Additionally raw_enable_filters() can handle *dev even when it's NULL.
Oliver
next prev parent reply other threads:[~2007-10-02 14:53 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-02 13:10 [PATCH 0/7] CAN: Add new PF_CAN protocol family, try #9 Urs Thuermann
2007-10-02 13:10 ` [PATCH 1/7] CAN: Allocate protocol numbers for PF_CAN Urs Thuermann
2007-10-02 14:11 ` Arnaldo Carvalho de Melo
2007-10-02 14:27 ` Urs Thuermann
2007-10-02 14:43 ` Arnaldo Carvalho de Melo
2007-10-02 14:42 ` Oliver Hartkopp
2007-10-02 14:51 ` Arnaldo Carvalho de Melo
2007-10-02 13:10 ` [PATCH 2/7] CAN: Add PF_CAN core module Urs Thuermann
2007-10-02 14:38 ` Arnaldo Carvalho de Melo
2007-10-02 16:09 ` Oliver Hartkopp
2007-10-04 11:51 ` Urs Thuermann
2007-10-04 13:40 ` Arnaldo Carvalho de Melo
2007-10-02 13:10 ` [PATCH 3/7] CAN: Add raw protocol Urs Thuermann
2007-10-02 14:30 ` Arnaldo Carvalho de Melo
2007-10-02 14:53 ` Oliver Hartkopp [this message]
2007-10-04 11:52 ` Urs Thuermann
2007-10-02 13:10 ` [PATCH 4/7] CAN: Add broadcast manager (bcm) protocol Urs Thuermann
2007-10-02 13:10 ` [PATCH 5/7] CAN: Add virtual CAN netdevice driver Urs Thuermann
2007-10-02 14:20 ` Arnaldo Carvalho de Melo
2007-10-02 15:07 ` Oliver Hartkopp
2007-10-02 16:46 ` Arnaldo Carvalho de Melo
2007-10-02 21:02 ` Oliver Hartkopp
2007-10-02 21:43 ` Arnaldo Carvalho de Melo
2007-10-02 21:50 ` David Miller
2007-10-03 7:06 ` Oliver Hartkopp
2007-10-02 21:52 ` Stephen Hemminger
2007-10-02 22:04 ` David Miller
2007-10-03 17:47 ` Oliver Hartkopp
2007-10-04 11:52 ` Urs Thuermann
2007-10-02 13:10 ` [PATCH 6/7] CAN: Add maintainer entries Urs Thuermann
2007-10-02 13:10 ` [PATCH 7/7] CAN: Add documentation Urs Thuermann
-- strict thread matches above, loose matches on Subject: below --
2007-11-16 15:02 [PATCH 0/7] CAN: New PF_CAN protocol family for 2.6.25, update Urs Thuermann
2007-11-16 15:02 ` [PATCH 3/7] CAN: Add raw protocol Urs Thuermann
2007-11-14 12:13 [PATCH 0/7] CAN: New PF_CAN protocol family for 2.6.25 Urs Thuermann
2007-11-14 12:13 ` [PATCH 3/7] CAN: Add raw protocol Urs Thuermann
2007-10-05 10:49 [PATCH 0/7] CAN: Add new PF_CAN protocol family, try #10 Urs Thuermann
2007-10-05 10:49 ` [PATCH 3/7] CAN: Add raw protocol Urs Thuermann
2007-09-25 12:20 [PATCH 0/7] CAN: Add new PF_CAN protocol family, try #8 Urs Thuermann
2007-09-25 12:20 ` [PATCH 3/7] CAN: Add raw protocol Urs Thuermann
2007-09-20 18:43 [PATCH 0/7] CAN: Add new PF_CAN protocol family, try #7 Urs Thuermann
2007-09-20 18:43 ` [PATCH 3/7] CAN: Add raw protocol Urs Thuermann
2007-09-21 12:49 ` Patrick McHardy
2007-09-21 21:05 ` Urs Thuermann
2007-09-22 11:02 ` Patrick McHardy
2007-09-17 10:03 [PATCH 0/7] CAN: Add new PF_CAN protocol family, try #6 Urs Thuermann
2007-09-17 10:03 ` [PATCH 3/7] CAN: Add raw protocol Urs Thuermann
2007-09-18 14:13 ` Patrick McHardy
2007-09-18 21:49 ` Urs Thuermann
2007-09-19 8:34 ` Patrick McHardy
2007-08-04 2:06 [patch 0/7] CAN: Add new PF_CAN protocol family, try #5 Urs Thuermann
2007-08-04 2:07 ` [patch 3/7] CAN: Add raw protocol Urs Thuermann
2007-06-22 3:44 [patch 0/7] CAN: Add new PF_CAN protocol family, try #3 Urs Thuermann
2007-06-22 3:44 ` [patch 3/7] CAN: Add raw protocol Urs Thuermann
2007-05-30 13:11 [patch 0/7] CAN: Add new PF_CAN protocol family, update Urs Thuermann
2007-05-30 13:11 ` [patch 3/7] CAN: Add raw protocol Urs Thuermann
2007-05-16 14:51 [patch 0/7] CAN: Add new PF_CAN protocol family Urs Thuermann
2007-05-16 14:51 ` [patch 3/7] CAN: Add raw protocol Urs Thuermann
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