ipv6: ip6_route_output does not modify sk parameter, so make it const
This avoids explicit cast to avoid 'discards qualifiers'
compiler warning in a netfilter patch that i've been working on.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 642a80b..c850e5f 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -70,7 +70,7 @@
extern void ip6_route_input(struct sk_buff *skb);
extern struct dst_entry * ip6_route_output(struct net *net,
- struct sock *sk,
+ const struct sock *sk,
struct flowi6 *fl6);
extern int ip6_route_init(void);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 6814c87..843406f 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -854,7 +854,7 @@
return ip6_pol_route(net, table, fl6->flowi6_oif, fl6, flags);
}
-struct dst_entry * ip6_route_output(struct net *net, struct sock *sk,
+struct dst_entry * ip6_route_output(struct net *net, const struct sock *sk,
struct flowi6 *fl6)
{
int flags = 0;