net: Remove redundant oif checks in rt6_device_match

The oif has already been checked that it is non-zero; the 2 additional
checks on oif within that if (oif) {...} block are redundant.

CC: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 6fbf6fd..66a6b2c 100644 (file)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -474,10 +474,10 @@ static inline struct rt6_info *rt6_device_match(struct net *net,
                        if (dev->flags & IFF_LOOPBACK) {
                                if (!sprt->rt6i_idev ||
                                    sprt->rt6i_idev->dev->ifindex != oif) {
-                                       if (flags & RT6_LOOKUP_F_IFACE && oif)
+                                       if (flags & RT6_LOOKUP_F_IFACE)
                                                continue;
-                                       if (local && (!oif ||
-                                                     local->rt6i_idev->dev->ifindex == oif))
+                                       if (local &&
+                                           local->rt6i_idev->dev->ifindex == oif)
                                                continue;
                                }
                                local = sprt;