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>

1 files changed, 6 insertions, 6 deletions

diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index dd78536d40d..d70f85eb786 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1036,15 +1036,15 @@ static struct xfrm_state *__find_acq_core(struct net *net, struct xfrm_mark *m,
 
                 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_sainfo(struct xfrm_state *x,
 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: