From: Cong Wang
Date: Tue, 9 Jul 2019 23:24:54 -0700
> Switching from ->priv_destructor to dellink() has an unexpected
> consequence: existing RCU readers, that is, hsr_port_get_hsr()
> callers, may still be able to read the port list.
>
> Instead of checking the return value of each hsr_port_g
Switching from ->priv_destructor to dellink() has an unexpected
consequence: existing RCU readers, that is, hsr_port_get_hsr()
callers, may still be able to read the port list.
Instead of checking the return value of each hsr_port_get_hsr(),
we can just move it to ->ndo_uninit() which is called af
