linux-kernel - [PATCH] [2.6.22] Remove unneeded pointer idev from addrconf

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Message-ID: <aaab98560707082030w6521f4e5qf17a01d83d20faf8@mail.gmail.com>
Date:	Mon, 9 Jul 2007 11:30:46 +0800
From:	"Micah Gruber" <micah.gruber@...il.com>
To:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	pekkas@...core.fi
Subject: [PATCH] [2.6.22] Remove unneeded pointer idev from addrconf_cleanup() in net/ipv6/addrconf.c

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@...il.com>

--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -4240,7 +4240,6 @@
void __exit addrconf_cleanup(void)
{
        struct net_device *dev;
-       struct inet6_dev *idev;
        struct inet6_ifaddr *ifa;
        int i;

@@ -4258,7 +4257,7 @@
         */

        for_each_netdev(dev) {
-               if ((idev = __in6_dev_get(dev)) == NULL)
+               if (__in6_dev_get(dev) == NULL)
                        continue;
                addrconf_ifdown(dev, 1);
        }
-
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