From: Eric Dumazet Date: Fri, 25 Sep 2015 14:39:12 +0000 (-0700) Subject: ipv6: constify ip6_dst_lookup_{flow|tail}() sock arguments X-Git-Tag: firefly_0821_release~176^2~818^2~274^2~12 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3aef934f4d4b97532c333d9c1f5f73fb80aeb459;p=firefly-linux-kernel-4.4.55.git ipv6: constify ip6_dst_lookup_{flow|tail}() sock arguments ip6_dst_lookup_flow() and ip6_dst_lookup_tail() do not touch socket, lets add a const qualifier. This will permit the same change in inet6_csk_route_req() Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 384a93cf07d6..9877b68ad207 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -849,7 +849,7 @@ static inline struct sk_buff *ip6_finish_skb(struct sock *sk) int ip6_dst_lookup(struct net *net, struct sock *sk, struct dst_entry **dst, struct flowi6 *fl6); -struct dst_entry *ip6_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6, +struct dst_entry *ip6_dst_lookup_flow(const struct sock *sk, struct flowi6 *fl6, const struct in6_addr *final_dst); struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6, const struct in6_addr *final_dst); diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 291a07be5dfb..6b0d86f3fbfc 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -883,7 +883,7 @@ out: return dst; } -static int ip6_dst_lookup_tail(struct net *net, struct sock *sk, +static int ip6_dst_lookup_tail(struct net *net, const struct sock *sk, struct dst_entry **dst, struct flowi6 *fl6) { #ifdef CONFIG_IPV6_OPTIMISTIC_DAD @@ -1014,7 +1014,7 @@ EXPORT_SYMBOL_GPL(ip6_dst_lookup); * It returns a valid dst pointer on success, or a pointer encoded * error code. */ -struct dst_entry *ip6_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6, +struct dst_entry *ip6_dst_lookup_flow(const struct sock *sk, struct flowi6 *fl6, const struct in6_addr *final_dst) { struct dst_entry *dst = NULL;