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authorDavid S. Miller <davem@davemloft.net>2012-01-12 04:46:32 +0400
committerDavid S. Miller <davem@davemloft.net>2012-01-25 03:08:46 +0400
commit496053f488fc2d859e41574f3421993826d2d0eb (patch)
treea97d4e40752b2b86023e896633ee0de55af2927e /net/ipv4
parentd2346963bfcbb9a8ee783ca3c3b3bdd7448ec9d5 (diff)
downloadlinux-496053f488fc2d859e41574f3421993826d2d0eb.tar.xz
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: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/ip_gre.c8
-rw-r--r--net/ipv4/ipip.c2
2 files changed, 3 insertions, 7 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 2b53a1f7abf6..fc213350a6ed 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -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);
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 22a199315309..87c63b67f8ce 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -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,