diff options
| -rw-r--r-- | net/ipv4/route.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 987bf9adb318..df948b0f1ac9 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2585,9 +2585,10 @@ static int ip_route_output_slow(struct net *net, struct rtable **rp, goto out; /* RACE: Check return value of inet_select_addr instead. */ - if (rcu_dereference(dev_out->ip_ptr) == NULL) - goto out; /* Wrong error code */ - + if (!(dev_out->flags & IFF_UP) || !__in_dev_get_rcu(dev_out)) { + err = -ENETUNREACH; + goto out; + } if (ipv4_is_local_multicast(oldflp->fl4_dst) || ipv4_is_lbcast(oldflp->fl4_dst)) { if (!fl.fl4_src) |