From: Guenter Roeck <linux@roeck-us.net>
Date: Wed, 25 Feb 2015 07:02:02 +0000 (-0800)
Subject: net: dsa: Introduce dsa_is_port_initialized
X-Git-Tag: omap-for-v4.2/o2_dc~131^2~397
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d79d21073626cf022943e5c4c10a97cdf7cb8465;p=pandora-kernel.git

net: dsa: Introduce dsa_is_port_initialized

To avoid race conditions when using the ds->ports[] array,
we need to check if the accessed port has been initialized.
Introduce and use helper function dsa_is_port_initialized
for that purpose and use it where needed.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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