netdev - Re: [PATCH net-next] bridge: mcast: Default back to multicast enabled state

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Message-Id: <20181002.222751.1282381500734131142.davem@davemloft.net>
Date:   Tue, 02 Oct 2018 22:27:51 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     idosch@...lanox.com
Cc:     netdev@...r.kernel.org, nikolay@...ulusnetworks.com,
        roopa@...ulusnetworks.com, bridge@...ts.linux-foundation.org,
        mlxsw@...lanox.com
Subject: Re: [PATCH net-next] bridge: mcast: Default back to multicast
 enabled state

From: Ido Schimmel <idosch@...lanox.com>
Date: Mon,  1 Oct 2018 11:57:01 +0300

> Commit 13cefad2f2c1 ("net: bridge: convert and rename mcast disabled")
> converted the 'multicast_disabled' field to an option bit named
> 'BROPT_MULTICAST_ENABLED'.
> 
> While the old field was implicitly initialized to 0, the new field is
> not initialized, resulting in the bridge defaulting to multicast
> disabled state and breaking existing applications.
> 
> Fix this by explicitly initializing the option.
> 
> Fixes: 13cefad2f2c1 ("net: bridge: convert and rename mcast disabled")
> Signed-off-by: Ido Schimmel <idosch@...lanox.com>

Applied.