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Commit 496053f4 authored by David S. Miller's avatar David S. Miller
Browse files

ipv4: Remove bogus checks of rt_gateway being zero.



It can never actually happen.  rt_gateway is either the fully resolved
flow lookup key's destination address, or the non-zero FIB entry gateway
address.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d2346963
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+3 −5
Original line number Diff line number Diff line
@@ -724,11 +724,8 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
			goto tx_error;
		}

		if (skb->protocol == htons(ETH_P_IP)) {
		if (skb->protocol == htons(ETH_P_IP))
			rt = skb_rtable(skb);
			if ((dst = rt->rt_gateway) == 0)
				goto tx_error_icmp;
		}
#if IS_ENABLED(CONFIG_IPV6)
		else if (skb->protocol == htons(ETH_P_IPV6)) {
			struct neighbour *neigh = dst_get_neighbour_noref(skb_dst(skb));
@@ -910,9 +907,10 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
	__IPTUNNEL_XMIT(tstats, &dev->stats);
	return NETDEV_TX_OK;

#if IS_ENABLED(CONFIG_IPV6)
tx_error_icmp:
	dst_link_failure(skb);

#endif
tx_error:
	dev->stats.tx_errors++;
	dev_kfree_skb(skb);
+0 −2
Original line number Diff line number Diff line
@@ -454,8 +454,6 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
			dev->stats.tx_fifo_errors++;
			goto tx_error;
		}
		if ((dst = rt->rt_gateway) == 0)
			goto tx_error_icmp;
	}

	rt = ip_route_output_ports(dev_net(dev), &fl4, NULL,