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inet: constify ip headers and in6_addr

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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>
This commit is contained in:
Eric Dumazet
2011-04-22 04:53:02 +00:00
committed by David S. Miller
parent 5f8629c526
commit b71d1d426d
64 changed files with 316 additions and 310 deletions
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12
net/bridge/br_multicast.c
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@@ -413,7 +413,7 @@ out:
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
static struct sk_buff *br_ip6_multicast_alloc_query(struct net_bridge *br,
struct in6_addr *group)
const struct in6_addr *group)
{
struct sk_buff *skb;
struct ipv6hdr *ip6h;
@@ -1115,7 +1115,7 @@ static int br_ip4_multicast_query(struct net_bridge *br,
struct net_bridge_port *port,
struct sk_buff *skb)
{
struct iphdr *iph = ip_hdr(skb);
const struct iphdr *iph = ip_hdr(skb);
struct igmphdr *ih = igmp_hdr(skb);
struct net_bridge_mdb_entry *mp;
struct igmpv3_query *ih3;
@@ -1190,7 +1190,7 @@ static int br_ip6_multicast_query(struct net_bridge *br,
struct net_bridge_port *port,
struct sk_buff *skb)
{
struct ipv6hdr *ip6h = ipv6_hdr(skb);
const struct ipv6hdr *ip6h = ipv6_hdr(skb);
struct mld_msg *mld = (struct mld_msg *) icmp6_hdr(skb);
struct net_bridge_mdb_entry *mp;
struct mld2_query *mld2q;
@@ -1198,7 +1198,7 @@ static int br_ip6_multicast_query(struct net_bridge *br,
struct net_bridge_port_group __rcu **pp;
unsigned long max_delay;
unsigned long now = jiffies;
struct in6_addr *group = NULL;
const struct in6_addr *group = NULL;
int err = 0;
spin_lock(&br->multicast_lock);
@@ -1356,7 +1356,7 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
struct sk_buff *skb)
{
struct sk_buff *skb2 = skb;
struct iphdr *iph;
const struct iphdr *iph;
struct igmphdr *ih;
unsigned len;
unsigned offset;
@@ -1452,7 +1452,7 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
struct sk_buff *skb)
{
struct sk_buff *skb2;
struct ipv6hdr *ip6h;
const struct ipv6hdr *ip6h;
struct icmp6hdr *icmp6h;
u8 nexthdr;
unsigned len;