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From: Andrew Lunn <andrew@lunn.ch>
To: Brandon Maier <brandon.maier@rockwellcollins.com>
Cc: netdev@vger.kernel.org, f.fainelli@gmail.com,
	davem@davemloft.net, michal.simek@xilinx.com,
	clayton.shotwell@rockwellcollins.com,
	kristopher.cory@rockwellcollins.com,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] net: phy: Check phy_driver ready before accessing
Date: Thu, 7 Jun 2018 18:54:00 +0200	[thread overview]
Message-ID: <20180607165400.GE25513@lunn.ch> (raw)
In-Reply-To: <20180607155348.149665-1-brandon.maier@rockwellcollins.com>

On Thu, Jun 07, 2018 at 10:53:46AM -0500, Brandon Maier wrote:
> Since a phy_device is added to the global mdio_bus list during
> phy_device_register(), but a phy_device's phy_driver doesn't get
> attached until phy_probe(). It's possible of_phy_find_device() in
> xgmiitorgmii will return a valid phy with a NULL phy_driver. Leading to
> a NULL pointer access during the memcpy().

Hi Brandon

FYI: net-next is closed at the moment. Please resubmit these in two
weeks time.

      Andrew

      parent reply	other threads:[~2018-06-07 16:54 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-07 15:53 Brandon Maier
2018-06-07 15:53 ` [PATCH 2/3] net: phy: xgmiitorgmii: Use correct mdio bus Brandon Maier
2018-06-07 16:49   ` Andrew Lunn
2018-06-07 17:37     ` Brandon Maier
2018-06-07 15:53 ` [PATCH 3/3] net: phy: xgmiitorgmii: Check read_status results Brandon Maier
2018-06-07 16:43   ` Andrew Lunn
2018-06-07 16:52 ` [PATCH 1/3] net: phy: Check phy_driver ready before accessing Andrew Lunn
2018-06-07 17:34   ` Brandon Maier
2018-06-07 18:12     ` Andrew Lunn
2018-06-07 16:54 ` Andrew Lunn [this message]

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