netdev - Re: [PATCH net v2] hsr: Handle failures in module init

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Message-ID: <ZfgLFIIgUDh8f1lh@gmail.com>
Date: Mon, 18 Mar 2024 02:36:20 -0700
From: Breno Leitao <leitao@...ian.org>
To: Felix Maurer <fmaurer@...hat.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, dkirjanov@...e.de
Subject: Re: [PATCH net v2] hsr: Handle failures in module init

On Fri, Mar 15, 2024 at 01:04:52PM +0100, Felix Maurer wrote:
> A failure during registration of the netdev notifier was not handled at
> all. A failure during netlink initialization did not unregister the netdev
> notifier.
> 
> Handle failures of netdev notifier registration and netlink initialization.
> Both functions should only return negative values on failure and thereby
> lead to the hsr module not being loaded.
> 
> Fixes: f421436a591d ("net/hsr: Add support for the High-availability Seamless Redundancy protocol (HSRv0)")
> Signed-off-by: Felix Maurer <fmaurer@...hat.com>

Reviewed-by: Breno Leitao <leitao@...ian.org>