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Date:   Mon, 31 Aug 2020 12:23:43 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH net-next] net: phylink: avoid oops during initialisation

From: Russell King <>
Date: Fri, 28 Aug 2020 11:53:53 +0100

> If we intend to use PCS operations, mac_pcs_get_state() will not be
> implemented, so will be NULL. If we also intend to register the PCS
> operations in mac_prepare() or mac_config(), then this leads to an
> attempt to call NULL function pointer during phylink_start(). Avoid
> this, but we must report the link is down.
> Signed-off-by: Russell King <>

Applied, thank you.

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