netdev - Re: [PATCH net] tipc: fix ordering of tipc module init and exit routine

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Message-Id: <20191205.124440.809438263678335744.davem@davemloft.net>
Date:   Thu, 05 Dec 2019 12:44:40 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     ap420073@...il.com
Cc:     jon.maloy@...csson.com, ying.xue@...driver.com,
        netdev@...r.kernel.org
Subject: Re: [PATCH net] tipc: fix ordering of tipc module init and exit
 routine

From: Taehee Yoo <ap420073@...il.com>
Date: Thu,  5 Dec 2019 16:37:04 +0000

> In order to set/get/dump, the tipc uses the generic netlink
> infrastructure. So, when tipc module is inserted, init function
> calls genl_register_family().
> After genl_register_family(), set/get/dump commands are immediately
> allowed and these callbacks internally use the net_generic.
> net_generic is allocated by register_pernet_device() but this
> is called after genl_register_family() in the __init function.
> So, these callbacks would use un-initialized net_generic.
...

Jon and other TIPC folks, please review.