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>

1 files changed, 11 insertions, 12 deletions

diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c
index 66d98daf8aef..92cc54c81f0b 100644
--- 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;
 }