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net-ipv4: remove 2 always zero parameters from ipv4_redirect()

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(the parameters in question are mark and flow_flags)

Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Maciej Żenczykowski 2018-09-25 20:56:27 -07:00 committed by David S. Miller
parent d888f39666
commit 1042caa79e
11 changed files with 14 additions and 15 deletions
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3
include/net/route.h
View File

@ -203,8 +203,7 @@ static inline int ip_route_input(struct sk_buff *skb, __be32 dst, __be32 src,
void ipv4_update_pmtu(struct sk_buff *skb, struct net *net, u32 mtu, int oif,
u8 protocol);
void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu);
void ipv4_redirect(struct sk_buff *skb, struct net *net, int oif, u32 mark,
u8 protocol, int flow_flags);
void ipv4_redirect(struct sk_buff *skb, struct net *net, int oif, u8 protocol);
void ipv4_sk_redirect(struct sk_buff *skb, struct sock *sk);
void ip_rt_send_redirect(struct sk_buff *skb);

2
net/ipv4/ah4.c
View File

@ -463,7 +463,7 @@ static int ah4_err(struct sk_buff *skb, u32 info)
if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)
ipv4_update_pmtu(skb, net, info, 0, IPPROTO_AH);
else
ipv4_redirect(skb, net, 0, 0, IPPROTO_AH, 0);
ipv4_redirect(skb, net, 0, IPPROTO_AH);
xfrm_state_put(x);
return 0;

2
net/ipv4/esp4.c
View File

@ -822,7 +822,7 @@ static int esp4_err(struct sk_buff *skb, u32 info)
if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)
ipv4_update_pmtu(skb, net, info, 0, IPPROTO_ESP);
else
ipv4_redirect(skb, net, 0, 0, IPPROTO_ESP, 0);
ipv4_redirect(skb, net, 0, IPPROTO_ESP);
xfrm_state_put(x);
return 0;

2
net/ipv4/icmp.c
View File

@ -1100,7 +1100,7 @@ void icmp_err(struct sk_buff *skb, u32 info)
if (type == ICMP_DEST_UNREACH && code == ICMP_FRAG_NEEDED)
ipv4_update_pmtu(skb, net, info, 0, IPPROTO_ICMP);
else if (type == ICMP_REDIRECT)
ipv4_redirect(skb, net, 0, 0, IPPROTO_ICMP, 0);
ipv4_redirect(skb, net, 0, IPPROTO_ICMP);
}
/*

4
net/ipv4/ip_gre.c
View File

@ -243,8 +243,8 @@ static void gre_err(struct sk_buff *skb, u32 info)
return;
}
if (type == ICMP_REDIRECT) {
ipv4_redirect(skb, dev_net(skb->dev), skb->dev->ifindex, 0,
IPPROTO_GRE, 0);
ipv4_redirect(skb, dev_net(skb->dev), skb->dev->ifindex,
IPPROTO_GRE);
return;
}

2
net/ipv4/ip_vti.c
View File

@ -320,7 +320,7 @@ static int vti4_err(struct sk_buff *skb, u32 info)
if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)
ipv4_update_pmtu(skb, net, info, 0, protocol);
else
ipv4_redirect(skb, net, 0, 0, protocol, 0);
ipv4_redirect(skb, net, 0, protocol);
xfrm_state_put(x);
return 0;

2
net/ipv4/ipcomp.c
View File

@ -50,7 +50,7 @@ static int ipcomp4_err(struct sk_buff *skb, u32 info)
if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)
ipv4_update_pmtu(skb, net, info, 0, IPPROTO_COMP);
else
ipv4_redirect(skb, net, 0, 0, IPPROTO_COMP, 0);
ipv4_redirect(skb, net, 0, IPPROTO_COMP);
xfrm_state_put(x);
return 0;

2
net/ipv4/ipip.c
View File

@ -180,7 +180,7 @@ static int ipip_err(struct sk_buff *skb, u32 info)
}
if (type == ICMP_REDIRECT) {
ipv4_redirect(skb, net, t->parms.link, 0, iph->protocol, 0);
ipv4_redirect(skb, net, t->parms.link, iph->protocol);
goto out;
}

4
net/ipv4/route.c
View File

@ -1130,14 +1130,14 @@ out:
EXPORT_SYMBOL_GPL(ipv4_sk_update_pmtu);
void ipv4_redirect(struct sk_buff *skb, struct net *net,
int oif, u32 mark, u8 protocol, int flow_flags)
int oif, u8 protocol)
{
const struct iphdr *iph = (const struct iphdr *) skb->data;
struct flowi4 fl4;
struct rtable *rt;
__build_flow_key(net, &fl4, NULL, iph, oif,
RT_TOS(iph->tos), protocol, mark, flow_flags);
RT_TOS(iph->tos), protocol, 0, 0);
rt = __ip_route_output_key(net, &fl4);
if (!IS_ERR(rt)) {
__ip_do_redirect(rt, skb, &fl4, false);

4
net/ipv6/sit.c
View File

@ -539,8 +539,8 @@ static int ipip6_err(struct sk_buff *skb, u32 info)
goto out;
}
if (type == ICMP_REDIRECT) {
ipv4_redirect(skb, dev_net(skb->dev), t->parms.link, 0,
iph->protocol, 0);
ipv4_redirect(skb, dev_net(skb->dev), t->parms.link,
iph->protocol);
err = 0;
goto out;
}

2
net/xfrm/xfrm_interface.c
View File

@ -471,7 +471,7 @@ static int xfrmi4_err(struct sk_buff *skb, u32 info)
if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH)
ipv4_update_pmtu(skb, net, info, 0, protocol);
else
ipv4_redirect(skb, net, 0, 0, protocol, 0);
ipv4_redirect(skb, net, 0, protocol);
xfrm_state_put(x);
return 0;