mlxsw: spectrum_switchdev: Avoid leaking FID's reference count
It should never be possible for a user to set a VNI on a FID in case one is already set. The driver therefore returns an error, but fails to drop the reference count taken earlier when calling mlxsw_sp_fid_8021d_lookup(). Drop the reference when this unlikely error is hit. Fixes: 1c30d183 ("mlxsw: spectrum: Enable VxLAN enslavement to bridges") Signed-off-by: NIdo Schimmel <idosch@mellanox.com> Reviewed-by: NJiri Pirko <jiri@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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