netdev - Re: [PATCH net] net: dsa: hold rtnl_lock in dsa_switch_setup_tag

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Message-Id: <163378380776.3217.15056215533350444464.git-patchwork-notify@kernel.org>
Date:   Sat, 09 Oct 2021 12:50:07 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Vladimir Oltean <vladimir.oltean@....com>
Cc:     netdev@...r.kernel.org, kuba@...nel.org, davem@...emloft.net,
        f.fainelli@...il.com, andrew@...n.ch, vivien.didelot@...il.com,
        tobias@...dekranz.com, olteanv@...il.com
Subject: Re: [PATCH net] net: dsa: hold rtnl_lock in dsa_switch_setup_tag_protocol

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@...emloft.net>:

On Sat,  9 Oct 2021 15:26:07 +0300 you wrote:
> It was a documented fact that ds->ops->change_tag_protocol() offered
> rtnetlink mutex protection to the switch driver, since there was an
> ASSERT_RTNL right before the call in dsa_switch_change_tag_proto()
> (initiated from sysfs).
> 
> The blamed commit introduced another call path for
> ds->ops->change_tag_protocol() which does not hold the rtnl_mutex.
> This is:
> 
> [...]

Here is the summary with links:
  - [net] net: dsa: hold rtnl_lock in dsa_switch_setup_tag_protocol
    https://git.kernel.org/netdev/net/c/1951b3f19cfe

You are awesome, thank you!
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