netdev - Re: [PATCH v2 net-next 08/15] ipv6: mcast: Don't hold RTNL in ipv6_sock_mc

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Message-ID: <CANn89iKRcpyA7MQphPXsm8LxT098m_Hi8H4yVfVG3EbaYgM0XA@mail.gmail.com>
Date: Thu, 26 Jun 2025 07:39:59 -0700
From: Eric Dumazet <edumazet@...gle.com>
To: Kuniyuki Iwashima <kuni1840@...il.com>
Cc: "David S. Miller" <davem@...emloft.net>, David Ahern <dsahern@...nel.org>, 
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>, 
	Kuniyuki Iwashima <kuniyu@...gle.com>, netdev@...r.kernel.org
Subject: Re: [PATCH v2 net-next 08/15] ipv6: mcast: Don't hold RTNL in ipv6_sock_mc_close().

On Tue, Jun 24, 2025 at 1:26 PM Kuniyuki Iwashima <kuni1840@...il.com> wrote:
>
> From: Kuniyuki Iwashima <kuniyu@...gle.com>
>
> In __ipv6_sock_mc_close(), per-socket mld data is protected by lock_sock(),
> and only __dev_get_by_index() and __in6_dev_get() require RTNL.
>
> Let's call __ipv6_sock_mc_drop() and drop RTNL in ipv6_sock_mc_close().
>
> Signed-off-by: Kuniyuki Iwashima <kuniyu@...gle.com>

Reviewed-by: Eric Dumazet <edumazet@...gle.com>