[IPV6]: Remove unneeded pointer idev from addrconf_cleanup().

This trivial patch removes the unneeded pointer idev returned from
__in6_dev_get(), which is never used. The check for NULL can be simply
done by if (__in6_dev_get(dev) == NULL).

Signed-off-by: Micah Gruber <micah.gruber@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 11c0028..95737ab 100644 (file)
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -4243,7 +4243,6 @@ errout:
 void __exit addrconf_cleanup(void)
 {
        struct net_device *dev;
-       struct inet6_dev *idev;
        struct inet6_ifaddr *ifa;
        int i;
 
@@ -4261,7 +4260,7 @@ void __exit addrconf_cleanup(void)
         */
 
        for_each_netdev(dev) {
-               if ((idev = __in6_dev_get(dev)) == NULL)
+               if (__in6_dev_get(dev) == NULL)
                        continue;
                addrconf_ifdown(dev, 1);
        }