[NET]: Dynamically allocate the loopback device, part 1.

This patch replaces all occurences to the static variable
loopback_dev to a pointer loopback_dev. That provides the
mindless, trivial, uninteressting change part for the dynamic
allocation for the loopback.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Acked-By: Kirill Korotaev <dev@sw.ru>
Acked-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 4 deletions

diff --git a/net/core/dst.c b/net/core/dst.c
index 38c741ac5d0..ad5ffa19d80 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -278,13 +278,13 @@ static inline void dst_ifdown(struct dst_entry *dst, struct net_device *dev,
         if (!unregister) {
                 dst->input = dst->output = dst_discard;
         } else {
-                dst->dev = &loopback_dev;
-                dev_hold(&loopback_dev);
+                dst->dev = loopback_dev;
+                dev_hold(dst->dev);
                 dev_put(dev);
                 if (dst->neighbour && dst->neighbour->dev == dev) {
-                        dst->neighbour->dev = &loopback_dev;
+                        dst->neighbour->dev = loopback_dev;
                         dev_put(dev);
-                        dev_hold(&loopback_dev);
+                        dev_hold(dst->neighbour->dev);
                 }
         }
 }