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ipv6: Constify the sk parameter of several helper functions.

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icmpv6_flow_init(), ip6_datagram_flow_key_init() and ip6_mc_hdr() don't
need to modify their sk argument. Make that explicit using const.

Signed-off-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Guillaume Nault 2023-07-11 15:06:21 +02:00 committed by David S. Miller
parent 8d6eba33a2
commit 5bc67a854c
4 changed files with 13 additions and 18 deletions
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10
include/linux/icmpv6.h
View file

@ -85,12 +85,10 @@ extern void icmpv6_param_prob_reason(struct sk_buff *skb,
struct flowi6;
struct in6_addr;
extern void icmpv6_flow_init(struct sock *sk,
struct flowi6 *fl6,
u8 type,
const struct in6_addr *saddr,
const struct in6_addr *daddr,
int oif);
void icmpv6_flow_init(const struct sock *sk, struct flowi6 *fl6, u8 type,
const struct in6_addr *saddr,
const struct in6_addr *daddr, int oif);
static inline void icmpv6_param_prob(struct sk_buff *skb, u8 code, int pos)
{

7
net/ipv6/datagram.c
View file

@ -38,10 +38,11 @@ static bool ipv6_mapped_addr_any(const struct in6_addr *a)
return ipv6_addr_v4mapped(a) && (a->s6_addr32[3] == 0);
}
static void ip6_datagram_flow_key_init(struct flowi6 *fl6, struct sock *sk)
static void ip6_datagram_flow_key_init(struct flowi6 *fl6,
const struct sock *sk)
{
struct inet_sock *inet = inet_sk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
const struct inet_sock *inet = inet_sk(sk);
const struct ipv6_pinfo *np = inet6_sk(sk);
int oif = sk->sk_bound_dev_if;
memset(fl6, 0, sizeof(*fl6));

6
net/ipv6/icmp.c
View file

@ -1034,11 +1034,9 @@ static int icmpv6_rcv(struct sk_buff *skb)
return 0;
}
void icmpv6_flow_init(struct sock *sk, struct flowi6 *fl6,
u8 type,
void icmpv6_flow_init(const struct sock *sk, struct flowi6 *fl6, u8 type,
const struct in6_addr *saddr,
const struct in6_addr *daddr,
int oif)
const struct in6_addr *daddr, int oif)
{
memset(fl6, 0, sizeof(*fl6));
fl6->saddr = *saddr;

8
net/ipv6/mcast.c
View file

@ -1699,11 +1699,9 @@ mld_scount(struct ifmcaddr6 *pmc, int type, int gdeleted, int sdeleted)
return scount;
}
static void ip6_mc_hdr(struct sock *sk, struct sk_buff *skb,
struct net_device *dev,
const struct in6_addr *saddr,
const struct in6_addr *daddr,
int proto, int len)
static void ip6_mc_hdr(const struct sock *sk, struct sk_buff *skb,
struct net_device *dev, const struct in6_addr *saddr,
const struct in6_addr *daddr, int proto, int len)
{
struct ipv6hdr *hdr;