linux-kernel - Re: [PATCH v2] net: bridge: Fix a warning when del bridge sysfs

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Date:   Tue, 15 Dec 2020 02:32:45 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Wang Hai <wanghai38@...wei.com>
Cc:     kuba@...nel.org, nikolay@...dia.com, davem@...emloft.net,
        roopa@...dia.com, bridge@...ts.linux-foundation.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] net: bridge: Fix a warning when del bridge sysfs

Hello:

This patch was applied to netdev/net-next.git (refs/heads/master):

On Fri, 11 Dec 2020 20:29:21 +0800 you wrote:
> I got a warining report:
> 
> br_sysfs_addbr: can't create group bridge4/bridge
> ------------[ cut here ]------------
> sysfs group 'bridge' not found for kobject 'bridge4'
> WARNING: CPU: 2 PID: 9004 at fs/sysfs/group.c:279 sysfs_remove_group fs/sysfs/group.c:279 [inline]
> WARNING: CPU: 2 PID: 9004 at fs/sysfs/group.c:279 sysfs_remove_group+0x153/0x1b0 fs/sysfs/group.c:270
> Modules linked in: iptable_nat
> ...
> Call Trace:
>   br_dev_delete+0x112/0x190 net/bridge/br_if.c:384
>   br_dev_newlink net/bridge/br_netlink.c:1381 [inline]
>   br_dev_newlink+0xdb/0x100 net/bridge/br_netlink.c:1362
>   __rtnl_newlink+0xe11/0x13f0 net/core/rtnetlink.c:3441
>   rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3500
>   rtnetlink_rcv_msg+0x385/0x980 net/core/rtnetlink.c:5562
>   netlink_rcv_skb+0x134/0x3d0 net/netlink/af_netlink.c:2494
>   netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
>   netlink_unicast+0x4a0/0x6a0 net/netlink/af_netlink.c:1330
>   netlink_sendmsg+0x793/0xc80 net/netlink/af_netlink.c:1919
>   sock_sendmsg_nosec net/socket.c:651 [inline]
>   sock_sendmsg+0x139/0x170 net/socket.c:671
>   ____sys_sendmsg+0x658/0x7d0 net/socket.c:2353
>   ___sys_sendmsg+0xf8/0x170 net/socket.c:2407
>   __sys_sendmsg+0xd3/0x190 net/socket.c:2440
>   do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
>   entry_SYSCALL_64_after_hwframe+0x44/0xa9
> 
> [...]

Here is the summary with links:
  - [v2] net: bridge: Fix a warning when del bridge sysfs
    https://git.kernel.org/netdev/net-next/c/989a1db06eb1

You are awesome, thank you!
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