BR_MAX_PORTS
inuse = bitmap_zalloc(BR_MAX_PORTS, GFP_KERNEL);
index = find_first_zero_bit(inuse, BR_MAX_PORTS);
return (index >= BR_MAX_PORTS) ? -EXFULL : index;
if (num > BR_MAX_PORTS)
num = BR_MAX_PORTS;
changed = bitmap_zalloc(BR_MAX_PORTS, GFP_KERNEL);