ipv6: Use correct data types for ICMPv6 type and code
Change all the code that deals directly with ICMPv6 type and code
values to use u8 instead of a signed int as that's the actual data
type.
Signed-off-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 36dff88..eab62a7 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -117,7 +117,7 @@
/*
* Slightly more convenient version of icmpv6_send.
*/
-void icmpv6_param_prob(struct sk_buff *skb, int code, int pos)
+void icmpv6_param_prob(struct sk_buff *skb, u8 code, int pos)
{
icmpv6_send(skb, ICMPV6_PARAMPROB, code, pos, skb->dev);
kfree_skb(skb);
@@ -161,7 +161,7 @@
/*
* Check the ICMP output rate limit
*/
-static inline int icmpv6_xrlim_allow(struct sock *sk, int type,
+static inline int icmpv6_xrlim_allow(struct sock *sk, u8 type,
struct flowi *fl)
{
struct dst_entry *dst;
@@ -305,7 +305,7 @@
/*
* Send an ICMP message in response to a packet in error
*/
-void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
+void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
struct net_device *dev)
{
struct net *net = dev_net(skb->dev);
@@ -590,7 +590,7 @@
icmpv6_xmit_unlock(sk);
}
-static void icmpv6_notify(struct sk_buff *skb, int type, int code, __be32 info)
+static void icmpv6_notify(struct sk_buff *skb, u8 type, u8 code, __be32 info)
{
struct inet6_protocol *ipprot;
int inner_offset;
@@ -643,7 +643,7 @@
struct in6_addr *saddr, *daddr;
struct ipv6hdr *orig_hdr;
struct icmp6hdr *hdr;
- int type;
+ u8 type;
if (!xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) {
struct sec_path *sp = skb_sec_path(skb);
@@ -914,7 +914,7 @@
},
};
-int icmpv6_err_convert(int type, int code, int *err)
+int icmpv6_err_convert(u8 type, u8 code, int *err)
{
int fatal = 0;