From: Li RongQing Date: Mon, 23 Dec 2013 01:32:38 +0000 (+0800) Subject: ipv6: unneccessary to get address prefix in addrconf_get_prefix_route X-Git-Tag: firefly_0821_release~176^2~4570^2~356 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=46306b49349ba9c4e5bdb9cb3c4e8b50192106bf;p=firefly-linux-kernel-4.4.55.git ipv6: unneccessary to get address prefix in addrconf_get_prefix_route Since addrconf_get_prefix_route inputs the address prefix to fib6_locate, which does not uses the data which is out of the prefix_len length, so do not need to use ipv6_addr_prefix to get address prefix. Signed-off-by: Li RongQing Acked-by: Hannes Frederic Sowa Signed-off-by: David S. Miller --- diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index cd2d7d0fb558..9418ca375132 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -995,12 +995,9 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp) * --yoshfuji */ if ((ifp->flags & IFA_F_PERMANENT) && onlink < 1) { - struct in6_addr prefix; struct rt6_info *rt; - ipv6_addr_prefix(&prefix, &ifp->addr, ifp->prefix_len); - - rt = addrconf_get_prefix_route(&prefix, + rt = addrconf_get_prefix_route(&ifp->addr, ifp->prefix_len, ifp->idev->dev, 0, RTF_GATEWAY | RTF_DEFAULT);