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Date:   Mon, 20 May 2019 10:45:54 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH v4] tipc: fix modprobe tipc failed after switch order
 of device registration

From: hujunwei <>
Date: Mon, 20 May 2019 14:43:59 +0800

> From: Junwei Hu <>
> Error message printed:
> modprobe: ERROR: could not insert 'tipc': Address family not
> supported by protocol.
> when modprobe tipc after the following patch: switch order of
> device registration, commit 7e27e8d6130c
> ("tipc: switch order of device registration to fix a crash")
> Because sock_create_kern(net, AF_TIPC, ...) called by
> tipc_topsrv_create_listener() in the initialization process
> of tipc_init_net(), so tipc_socket_init() must be execute before that.
> Meanwhile, tipc_net_id need to be initialized when sock_create()
> called, and tipc_socket_init() is no need to be called for each namespace.
> I add a variable tipc_topsrv_net_ops, and split the
> register_pernet_subsys() of tipc into two parts, and split
> tipc_socket_init() with initialization of pernet params.
> By the way, I fixed resources rollback error when tipc_bcast_init()
> failed in tipc_init_net().
> Fixes: 7e27e8d6130c ("tipc: switch order of device registration to fix a crash")
> Signed-off-by: Junwei Hu <>
> Reported-by: Wang Wang <>
> Reported-by:
> Reviewed-by: Kang Zhou <>
> Reviewed-by: Suanming Mou <>


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