rocker: zero allocate ports array
When allocating the array of rocker port pointers, zero the array values so we can test for !NULL to see if port is allocated/registered. We'll need this later when installing untagged VLAN support for each port, during port probe. It's a long story, but to install a VLAN (vid=0 for untagged, in this case) on a port, we'll need to scan other ports to see if the VLAN group for that VLAN has been setup. To scan the other ports, we need to walk the port array. Signed-off-by: Scott Feldman <sfeldma@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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