linux-kernel - Re: [PATCH net-next] net: bridge: explicitly convert between mdb entry state and port group flags

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Message-ID: <20201030175926.5e30a1e6@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net>
Date:   Fri, 30 Oct 2020 17:59:26 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Vladimir Oltean <vladimir.oltean@....com>
Cc:     Roopa Prabhu <roopa@...dia.com>,
        Nikolay Aleksandrov <nikolay@...dia.com>,
        "David S. Miller" <davem@...emloft.net>,
        bridge@...ts.linux-foundation.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] net: bridge: explicitly convert between mdb
 entry state and port group flags

On Thu, 29 Oct 2020 01:48:15 +0200 Vladimir Oltean wrote:
> When creating a new multicast port group, there is implicit conversion
> between the __u8 state member of struct br_mdb_entry and the unsigned
> char flags member of struct net_bridge_port_group. This implicit
> conversion relies on the fact that MDB_PERMANENT is equal to
> MDB_PG_FLAGS_PERMANENT.
> 
> Let's be more explicit and convert the state to flags manually.
> 
> Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>

Applied, thanks!