Re: [tipc-discussion] [PATCH] net: tipc: Fix a possible null-pointer dereference in tipc_publ_purge()

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

From: Jia-Ju Bai <bai...@gm...>
Date: Thu, 25 Jul 2019 17:20:21 +0800

> @@ -223,7 +223,8 @@ static void tipc_publ_purge(struct net *net, struct publication *publ, u32 addr)
>  		       publ->key);
>  	}
>  
> -	kfree_rcu(p, rcu);
> +	if (p)
> +		kfree_rcu(p, rcu);

Please fix your automated tools if that is what found this, because as
others have nodes kfree_rcu() can take a NULL pointer argument just
fine.

Thank you.