tree 529fa340e3b007cce36bb7665f1eef4807bdb5b4
parent bb66be1c549a0760500cfad404b3d79a136d0e44
author Guenter Roeck <linux@roeck-us.net> 1424847722 -0800
committer David S. Miller <davem@davemloft.net> 1424905068 -0500

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>