netprio_cgroup: shorten variable names in extend_netdev_table()

The function is about to go through a rewrite.  In preparation,
shorten the variable names so that we don't repeat "priomap" so often.

This patch is cosmetic.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Tested-and-Acked-by: Daniel Wagner <daniel.wagner@bmw-carit.de>
Acked-by: David S. Miller <davem@davemloft.net>

diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c
index 66d98daf8aef8de774bae9493b64a42eb2615c2f..92cc54c81f0b8228d70448ae2fe2f8619c557489 100644 (file)
--- a/net/core/netprio_cgroup.c
+++ b/net/core/netprio_cgroup.c
@@ -71,26 +71,25 @@ static int extend_netdev_table(struct net_device *dev, u32 new_len)
 {
        size_t new_size = sizeof(struct netprio_map) +
                           ((sizeof(u32) * new_len));
-       struct netprio_map *new_priomap = kzalloc(new_size, GFP_KERNEL);
-       struct netprio_map *old_priomap;
+       struct netprio_map *new = kzalloc(new_size, GFP_KERNEL);
+       struct netprio_map *old;
 
-       old_priomap  = rtnl_dereference(dev->priomap);
+       old = rtnl_dereference(dev->priomap);
 
-       if (!new_priomap) {
+       if (!new) {
                pr_warn("Unable to alloc new priomap!\n");
                return -ENOMEM;
        }
 
-       if (old_priomap)
-               memcpy(new_priomap->priomap, old_priomap->priomap,
-                      old_priomap->priomap_len *
-                      sizeof(old_priomap->priomap[0]));
+       if (old)
+               memcpy(new->priomap, old->priomap,
+                      old->priomap_len * sizeof(old->priomap[0]));
 
-       new_priomap->priomap_len = new_len;
+       new->priomap_len = new_len;
 
-       rcu_assign_pointer(dev->priomap, new_priomap);
-       if (old_priomap)
-               kfree_rcu(old_priomap, rcu);
+       rcu_assign_pointer(dev->priomap, new);
+       if (old)
+               kfree_rcu(old, rcu);
        return 0;
 }