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authorEric Dumazet <eric.dumazet@gmail.com>2011-04-22 04:53:02 +0000
committerDavid S. Miller <davem@davemloft.net>2011-04-22 11:04:14 -0700
commitb71d1d426d263b0b6cb5760322efebbfc89d4463 (patch)
tree226ca7390bd6187ec9139d2ccedd26fd94d8e57a /net/bridge
parent5f8629c526b4f7e529a6d27bbd802c0dc7fcc357 (diff)
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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>
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/br_multicast.c12
-rw-r--r--net/bridge/br_netfilter.c4
2 files changed, 8 insertions, 8 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 59660c9..2f14eaf 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -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;
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index f3bc322..5614907 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -219,7 +219,7 @@ static inline void nf_bridge_update_protocol(struct sk_buff *skb)
static int br_parse_ip_options(struct sk_buff *skb)
{
struct ip_options *opt;
- struct iphdr *iph;
+ const struct iphdr *iph;
struct net_device *dev = skb->dev;
u32 len;
@@ -554,7 +554,7 @@ static unsigned int br_nf_pre_routing_ipv6(unsigned int hook,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
- struct ipv6hdr *hdr;
+ const struct ipv6hdr *hdr;
u32 pkt_len;
if (skb->len < sizeof(struct ipv6hdr))