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-rw-r--r--net/ipv6/route.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index be5d2879b5d8..946880ad48ac 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1193,14 +1193,16 @@ struct dst_entry *ip6_route_output(struct net *net, const struct sock *sk,
struct flowi6 *fl6)
{
int flags = 0;
+ bool any_src;
fl6->flowi6_iif = LOOPBACK_IFINDEX;
+ any_src = ipv6_addr_any(&fl6->saddr);
if ((sk && sk->sk_bound_dev_if) || rt6_need_strict(&fl6->daddr) ||
- fl6->flowi6_oif)
+ (fl6->flowi6_oif && any_src))
flags |= RT6_LOOKUP_F_IFACE;
- if (!ipv6_addr_any(&fl6->saddr))
+ if (!any_src)
flags |= RT6_LOOKUP_F_HAS_SADDR;
else if (sk)
flags |= rt6_srcprefs2flags(inet6_sk(sk)->srcprefs);
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