inet: constify ip headers and in6_addr
Add const qualifiers to structs iphdr, ipv6hdr and in6_addr pointers
where possible, to make code intention more obvious.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index dd78536..d70f85e 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1036,15 +1036,15 @@
case AF_INET6:
ipv6_addr_copy((struct in6_addr *)x->sel.daddr.a6,
- (struct in6_addr *)daddr);
+ (const struct in6_addr *)daddr);
ipv6_addr_copy((struct in6_addr *)x->sel.saddr.a6,
- (struct in6_addr *)saddr);
+ (const struct in6_addr *)saddr);
x->sel.prefixlen_d = 128;
x->sel.prefixlen_s = 128;
ipv6_addr_copy((struct in6_addr *)x->props.saddr.a6,
- (struct in6_addr *)saddr);
+ (const struct in6_addr *)saddr);
ipv6_addr_copy((struct in6_addr *)x->id.daddr.a6,
- (struct in6_addr *)daddr);
+ (const struct in6_addr *)daddr);
break;
}
@@ -2092,8 +2092,8 @@
static void xfrm_audit_helper_pktinfo(struct sk_buff *skb, u16 family,
struct audit_buffer *audit_buf)
{
- struct iphdr *iph4;
- struct ipv6hdr *iph6;
+ const struct iphdr *iph4;
+ const struct ipv6hdr *iph6;
switch (family) {
case AF_INET: