linux-kernel - Re: [PATCH net-next] net: stmmac: Fix VLAN filtering when HW does not support it

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Message-Id: <20200401.112542.1191455491464437178.davem@davemloft.net>
Date:   Wed, 01 Apr 2020 11:25:42 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     Jose.Abreu@...opsys.com
Cc:     netdev@...r.kernel.org, Joao.Pinto@...opsys.com,
        peppe.cavallaro@...com, alexandre.torgue@...com,
        mcoquelin.stm32@...il.com,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] net: stmmac: Fix VLAN filtering when HW does
 not support it

From: Jose Abreu <Jose.Abreu@...opsys.com>
Date: Wed,  1 Apr 2020 19:29:03 +0200

> If we don't have any filters available we can't rely upon the return
> code of stmmac_add_hw_vlan_rx_fltr() / stmmac_del_hw_vlan_rx_fltr(). Add
> a check for this.
> 
> Fixes: ed64639bc1e0 ("net: stmmac: Add support for VLAN Rx filtering")
> Signed-off-by: Jose Abreu <Jose.Abreu@...opsys.com>

Applied.