Re: [tipc-discussion] [PATCH net] tipc: add NULL pointer check before calling kfree_rcu

[David M. <da...@da...>]

From: Xin Long <luc...@gm...>
Date: Tue,  3 Sep 2019 17:53:12 +0800

> Unlike kfree(p), kfree_rcu(p, rcu) won't do NULL pointer check. When
> tipc_nametbl_remove_publ returns NULL, the panic below happens:
 ...
> Fixes: 97ede29e80ee ("tipc: convert name table read-write lock to RCU")
> Reported-by: Li Shuang <sh...@re...>
> Signed-off-by: Xin Long <luc...@gm...>

Applied and queued up for -stable, thanks.