netdev - Re: [PATCH] net: ibm: emac: fix regression caused by emac_dt_phy

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Date:   Wed, 08 Mar 2017 22:18:28 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     chunkeey@...glemail.com
Cc:     netdev@...r.kernel.org, runaway@...dw.ms
Subject: Re: [PATCH] net: ibm: emac: fix regression caused by
 emac_dt_phy_probe()

From: Christian Lamparter <chunkeey@...glemail.com>
Date: Mon,  6 Mar 2017 14:34:27 +0100

> Julian Margetson reported a panic on his SAM460EX with Kernel 4.11-rc1:
 ...
> The problem is caused by emac_dt_phy_probe() returing success (0)
> for existing device-trees configurations that do not specify a
> "phy-handle" property. This caused the code to skip the existing
> phy probe and setup. Which led to essential phy related
> data-structures being uninitialized.
> 
> This patch also removes the unused variable in emac_dt_phy_connect().
> 
> Fixes: a577ca6badb5261d ("net: emac: add support for device-tree based PHY discovery and setup")
> Reported-by: Julian Margetson <runaway@...dw.ms>
> Signed-off-by: Christian Lamparter <chunkeey@...glemail.com>

Applied, thanks.