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From: Jakub Kicinski <kuba@kernel.org>
To: Stephen Rothwell <sfr@canb.auug.org.au>,
	Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Cc: David Miller <davem@davemloft.net>,
	Networking <netdev@vger.kernel.org>,
	Linux Next Mailing List <linux-next@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: linux-next: build warning after merge of the net-next tree
Date: Mon, 7 Sep 2020 20:49:21 -0700	[thread overview]
Message-ID: <20200907204921.130dd6ce@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> (raw)
In-Reply-To: <20200908130000.7d33d787@canb.auug.org.au>

On Tue, 8 Sep 2020 13:00:00 +1000 Stephen Rothwell wrote:
> Hi all,
> 
> After merging the net-next tree, today's linux-next build (powerpc
> ppc64_defconfig) produced this warning:
> 
> net/bridge/br_multicast.c: In function 'br_multicast_find_port':
> net/bridge/br_multicast.c:1818:21: warning: unused variable 'br' [-Wunused-variable]
>  1818 |  struct net_bridge *br = mp->br;
>       |                     ^~
> 
> Introduced by commit
> 
>   0436862e417e ("net: bridge: mcast: support for IGMPv3/MLDv2 ALLOW_NEW_SOURCES report")
> 
> Maybe turning mlock_dereference into a static inline function would help.

Or perhaps provide a better definition of whatever is making the
reference disappear? RCU_LOCKDEP_WARN()?

Thanks for the report!

  reply	other threads:[~2020-09-08  3:49 UTC|newest]

Thread overview: 152+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-08  3:00 Stephen Rothwell
2020-09-08  3:49 ` Jakub Kicinski [this message]
2020-09-08  7:17 ` [PATCH net-next] net: bridge: mcast: fix unused br var when lockdep isn't defined Nikolay Aleksandrov
2020-09-08 16:00   ` Jakub Kicinski
2020-09-08 16:09     ` nikolay
2020-09-08 17:36     ` [PATCH net-next] rcu: prevent RCU_LOCKDEP_WARN() from swallowing the condition Jakub Kicinski
2020-09-08 18:15       ` nikolay
2020-09-09  0:27         ` Jakub Kicinski
2020-09-14 20:21           ` Joel Fernandes
2020-09-14 22:47             ` Jakub Kicinski
2020-09-15  0:20               ` Paul E. McKenney
2020-09-15  0:30                 ` Jakub Kicinski
2020-09-15 17:02                   ` Paul E. McKenney
2020-09-15  1:34               ` Joel Fernandes
2020-09-09  3:12       ` David Miller
  -- strict thread matches above, loose matches on Subject: below --
2022-12-13  4:37 linux-next: build warning after merge of the net-next tree Stephen Rothwell
2022-08-25  5:41 Stephen Rothwell
2022-08-23  3:49 Stephen Rothwell
2022-05-17  1:03 Stephen Rothwell
2022-05-17  9:03 ` Stephen Rothwell
2022-05-17 11:25   ` Florian Westphal
2022-05-18 22:52     ` Stephen Rothwell
2022-05-02 21:34 Stephen Rothwell
2022-04-21  7:07 Stephen Rothwell
2022-04-21  7:29 ` Pavel Pisa
2022-04-21  7:39   ` Marc Kleine-Budde
2022-03-03  9:13 Stephen Rothwell
2022-03-03  9:15 ` Stephen Rothwell
2022-03-03  9:44   ` dust.li
2022-03-01  9:13 Stephen Rothwell
2022-01-06 15:57 Stephen Rothwell
2022-01-07  0:41 ` Saeed Mahameed
2021-11-17  2:55 Stephen Rothwell
2021-11-17  3:05 ` Eric Dumazet
2021-11-17  2:52 Stephen Rothwell
2021-10-27 11:07 Stephen Rothwell
2021-10-27 11:34 ` Russell King (Oracle)
2021-10-30  2:10   ` Randy Dunlap
2021-10-26  9:20 Stephen Rothwell
2021-06-15 11:30 Stephen Rothwell
2021-06-11  3:24 Stephen Rothwell
2021-06-11 16:06 ` Lijun Pan
2021-03-26  8:46 Stephen Rothwell
2021-03-25  6:23 Stephen Rothwell
2021-03-25  6:40 ` Stephen Rothwell
2021-03-22  6:04 Stephen Rothwell
2021-03-18  5:47 Stephen Rothwell
2021-03-17  7:56 Stephen Rothwell
2021-03-17  8:21 ` Chen Yu
2021-03-17  7:51 Stephen Rothwell
2021-03-17  7:49 Stephen Rothwell
2021-02-01  6:59 Stephen Rothwell
2021-01-18 19:48 Stephen Rothwell
2020-11-26  6:40 Stephen Rothwell
2020-12-14 20:01 ` Stephen Rothwell
2020-12-15  7:43   ` Ioana Ciornei
2020-11-18  5:19 Stephen Rothwell
2020-11-18 12:47 ` Xie He
2020-07-07  7:06 Stephen Rothwell
2020-07-07  7:21 ` Vaibhav Gupta
2020-06-02  2:17 Stephen Rothwell
2020-06-04  1:22 ` Stephen Rothwell
2020-05-25 12:40 Stephen Rothwell
2020-05-27  1:15 ` Kirsher, Jeffrey T
2020-06-13  1:16   ` Stephen Rothwell
2020-06-13  1:19     ` Kirsher, Jeffrey T
2020-03-13  9:54 Stephen Rothwell
2020-03-13 10:44 ` Александр Берсенев
2020-03-13 18:21   ` David Miller
2020-03-13 21:42     ` Александр Берсенев
2020-02-26  2:41 Stephen Rothwell
2020-02-24 22:27 Stephen Rothwell
2020-02-24 22:42 ` David Miller
2020-02-24 22:47   ` Stephen Rothwell
2020-02-25  0:14     ` Varghese, Martin (Nokia - IN/Bangalore)
2020-02-25 22:58   ` Stephen Rothwell
2019-11-21  7:34 Stephen Rothwell
2019-11-11  1:39 Stephen Rothwell
2019-11-11  1:45 ` Eric Dumazet
2019-11-11  1:19 Stephen Rothwell
2019-11-11 10:24 ` Russell King - ARM Linux admin
2019-10-07 22:42 Stephen Rothwell
2019-10-09 12:24 ` David Howells
2019-07-08  3:25 Stephen Rothwell
2019-05-23 23:47 Stephen Rothwell
2019-04-23  1:32 Stephen Rothwell
2019-04-16  1:20 Stephen Rothwell
2019-04-16 10:03 ` John Hurley
2019-03-21 23:05 Stephen Rothwell
2019-03-21 23:10 ` Florian Fainelli
2019-02-22  1:06 Stephen Rothwell
2019-02-22  1:10 ` Florian Fainelli
2019-02-13  0:51 Stephen Rothwell
2019-02-13  0:58 ` Florian Fainelli
2019-02-13  0:49 Stephen Rothwell
2019-02-13  0:57 ` Florian Fainelli
2019-02-03 23:44 Stephen Rothwell
2019-02-04  4:26 ` David Miller
2019-02-04  4:32   ` Stephen Rothwell
2018-11-29  0:24 Stephen Rothwell
2018-12-19  2:42 ` Stephen Rothwell
2018-12-19  3:07   ` Gustavo A. R. Silva
2018-12-19  5:37     ` Stephen Rothwell
2018-07-19  2:04 Stephen Rothwell
2018-07-19  3:52 ` Guenter Roeck
2018-07-19  5:29   ` Stephen Rothwell
2018-07-19 13:49     ` Guenter Roeck
2018-07-19 22:09       ` Stephen Rothwell
2018-07-19 22:35         ` Guenter Roeck
2018-07-19 23:19           ` Masahiro Yamada
2018-07-19 23:37             ` Guenter Roeck
2018-08-14  7:05             ` Masahiro Yamada
2018-08-14 13:28               ` Guenter Roeck
2018-07-20  1:06           ` Stephen Rothwell
2018-07-19  1:40 Stephen Rothwell
2018-07-20 20:31 ` Linus Walleij
2018-07-05 23:56 Stephen Rothwell
2018-07-07 11:30 ` David Miller
2018-07-07 12:03   ` Stephen Rothwell
2018-05-29  3:10 Stephen Rothwell
2018-03-13  6:11 Stephen Rothwell
2018-03-13 11:46 ` Gustavo A. R. Silva
2018-03-13 15:33   ` David Miller
2018-03-13 20:28     ` Gustavo A. R. Silva
2018-01-18  1:20 Stephen Rothwell
2017-12-04  0:02 Stephen Rothwell
2017-12-04  6:33 ` Heiner Kallweit
2017-12-04 18:21 ` David Miller
2017-11-15  5:01 Stephen Rothwell
2016-12-09  0:34 Stephen Rothwell
2016-11-16  0:36 Stephen Rothwell
2016-11-16  0:56 ` Martin KaFai Lau
2016-07-27  6:15 Stephen Rothwell
2016-07-27  6:19 ` David Miller
2016-07-27  6:35   ` Stephen Rothwell
2016-07-27  6:45     ` Iyappan Subramanian
2016-07-11  6:13 Stephen Rothwell
2016-07-11  8:16 ` Simon Horman
2016-07-04  3:15 Stephen Rothwell
2016-07-04  5:19 ` Jason Wang
2016-02-15  2:09 Stephen Rothwell
2016-02-15  8:01 ` Nikolay Borisov
2014-05-15  6:47 Stephen Rothwell
2014-05-15 17:39 ` Cong Wang
2014-05-15 17:43   ` David Miller
2014-05-15 18:36     ` Cong Wang
2014-01-06  4:53 Stephen Rothwell
2013-08-21  9:10 Stephen Rothwell
2013-08-21 18:15 ` David Miller
2013-02-18  6:00 Stephen Rothwell
2012-04-23  6:54 Stephen Rothwell
2012-04-23  7:22 ` David Miller

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