ipv6: Fixed source specific default route handling.

[deliverable/linux.git] / net / ipv6 / route.c

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 5c48293ff06235e72f586007ff1e7bb568733b92..d3588885f09705278b745c43b86563c85a0d3dea 100644 (file)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2245,9 +2245,10 @@ int ip6_route_get_saddr(struct net *net,
                        unsigned int prefs,
                        struct in6_addr *saddr)
 {
-       struct inet6_dev *idev = ip6_dst_idev((struct dst_entry *)rt);
+       struct inet6_dev *idev =
+               rt ? ip6_dst_idev((struct dst_entry *)rt) : NULL;
        int err = 0;
-       if (rt->rt6i_prefsrc.plen)
+       if (rt && rt->rt6i_prefsrc.plen)
                *saddr = rt->rt6i_prefsrc.addr;
        else
                err = ipv6_dev_get_saddr(net, idev ? idev->dev : NULL,