netdev - Re: [PATCH v2] Net: DSA: Fix checking for get_phy

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Message-Id: <20141019.124651.345090061805966642.davem@davemloft.net>
Date:	Sun, 19 Oct 2014 12:46:51 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	andrew@...n.ch
Cc:	f.fainelli@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH v2] Net: DSA: Fix checking for get_phy_flags function

From: Andrew Lunn <andrew@...n.ch>
Date: Sun, 19 Oct 2014 16:41:47 +0200

> The check for the presence or not of the optional switch function
> get_phy_flags() called the function, rather than checked to see if it
> is a NULL pointer. This causes a derefernce of a NULL pointer on all
> switch chips except the sf2, the only switch to implement this call.
> 
> Signed-off-by: Andrew Lunn <andrew@...n.ch>
> Fixes: 6819563e646a ("net: dsa: allow switch drivers to specify phy_device::dev_flags")
> Cc: Florian Fainelli <f.fainelli@...il.com>

Applied.
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