From: Vivien Didelot <vivien.dide...@savoirfairelinux.com>
Date: Tue, 29 Sep 2015 14:17:54 -0400
> Because of the default 0 value of ret in dsa_slave_port_attr_set, a
> driver may return -EOPNOTSUPP from the commit phase of a STP state,
> which triggers a WARN() from switchdev.
>
> This happened on a 6185 switch which does not support hardware bridging.
>
> Fixes: 3563606258cf ("switchdev: convert STP update to switchdev attr set")
> Reported-by: Andrew Lunn <and...@lunn.ch>
> Signed-off-by: Vivien Didelot <vivien.dide...@savoirfairelinux.com>
Applied and queued up for -stable, thanks.
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