[Bridge] [PATCH net-next v3 06/15] net: bridge: mcast: add support for group query retransmit

[Jakub Kicinski]

On Mon, 7 Sep 2020 00:14:51 +0300 Nikolay Aleksandrov wrote:
> On 9/7/20 12:01 AM, Jakub Kicinski wrote:
> > On Sat,  5 Sep 2020 11:24:01 +0300 Nikolay Aleksandrov wrote:  
> >> We need to be able to retransmit group-specific and group-and-source
> >> specific queries. The new timer takes care of those.  
> > 
> > What guarantees that timer will not use pg after free? Do timer
> > callbacks hold the RCU read lock?
> 
> See the last patch, it guarantees no entry timer will be used when it's freed.

Ack.