Re: [B.A.T.M.A.N.] [PATCH] batman-adv/main: Fix check on return value of rtnl_link_register

From: Sven Eckelmann
Date: Mon Dec 24 2018 - 13:43:20 EST


On Monday, 24 December 2018 18.49.26 CET Aditya Pakki wrote:
[...]
> diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
> index 69c0d85bceb3..e0007f242823 100644
> --- a/net/batman-adv/main.c
> +++ b/net/batman-adv/main.c
> @@ -109,7 +109,10 @@ static int __init batadv_init(void)
> batadv_debugfs_init();
>
> register_netdevice_notifier(&batadv_hard_if_notifier);
> - rtnl_link_register(&batadv_link_ops);
> + ret = rtnl_link_register(&batadv_link_ops);
> + if (ret < 0)
> + return ret;
> +
> batadv_netlink_register();

Uhm, but shouldn't the already initialized parts be unregistered/uninitialized
in this case?

Rejecting this patch because this could cause a new bug.

Also "Fixes: " line is missing

Kind regards,
Sven

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