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netprio_cgroup: Remove update_netdev_tables() since it is unnecessary 

The update_netdev_tables() function appears to be unnecessary, since the
write_update_netdev_table() function will adjust the priomaps as and when
required anyway. So drop the usage of update_netdev_tables() entirely.

Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Srivatsa S. Bhat 2012-09-12 20:32:25 +00:00 committed by David S. Miller
parent 5d07d86806
commit d530d6df96
1 changed files with 0 additions and 32 deletions
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32
net/core/netprio_cgroup.c
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@ -109,32 +109,6 @@ static int write_update_netdev_table(struct net_device *dev)
return ret;
}
static int update_netdev_tables(void)
{
int ret = 0;
struct net_device *dev;
u32 max_len;
struct netprio_map *map;
rtnl_lock();
max_len = atomic_read(&max_prioidx) + 1;
for_each_netdev(&init_net, dev) {
map = rtnl_dereference(dev->priomap);
/*
* don't allocate priomap if we didn't
* change net_prio.ifpriomap (map == NULL),
* this will speed up skb_update_prio.
*/
if (map && map->priomap_len < max_len) {
ret = extend_netdev_table(dev, max_len);
if (ret < 0)
break;
}
}
rtnl_unlock();
return ret;
}
static struct cgroup_subsys_state *cgrp_create(struct cgroup *cgrp)
{
struct cgroup_netprio_state *cs;
@ -153,12 +127,6 @@ static struct cgroup_subsys_state *cgrp_create(struct cgroup *cgrp)
goto out;
}
ret = update_netdev_tables();
if (ret < 0) {
put_prioidx(cs->prioidx);
goto out;
}
return &cs->css;
out:
kfree(cs);