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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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36
net/ipv6/mcast.c
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@@ -92,16 +92,16 @@ static void mld_gq_timer_expire(unsigned long data);
static void mld_ifc_timer_expire(unsigned long data);
static void mld_ifc_event(struct inet6_dev *idev);
static void mld_add_delrec(struct inet6_dev *idev, struct ifmcaddr6 *pmc);
static void mld_del_delrec(struct inet6_dev *idev, struct in6_addr *addr);
static void mld_del_delrec(struct inet6_dev *idev, const struct in6_addr *addr);
static void mld_clear_delrec(struct inet6_dev *idev);
static int sf_setstate(struct ifmcaddr6 *pmc);
static void sf_markstate(struct ifmcaddr6 *pmc);
static void ip6_mc_clear_src(struct ifmcaddr6 *pmc);
static int ip6_mc_del_src(struct inet6_dev *idev, struct in6_addr *pmca,
int sfmode, int sfcount, struct in6_addr *psfsrc,
static int ip6_mc_del_src(struct inet6_dev *idev, const struct in6_addr *pmca,
int sfmode, int sfcount, const struct in6_addr *psfsrc,
int delta);
static int ip6_mc_add_src(struct inet6_dev *idev, struct in6_addr *pmca,
int sfmode, int sfcount, struct in6_addr *psfsrc,
static int ip6_mc_add_src(struct inet6_dev *idev, const struct in6_addr *pmca,
int sfmode, int sfcount, const struct in6_addr *psfsrc,
int delta);
static int ip6_mc_leave_src(struct sock *sk, struct ipv6_mc_socklist *iml,
struct inet6_dev *idev);
@@ -250,7 +250,7 @@ int ipv6_sock_mc_drop(struct sock *sk, int ifindex, const struct in6_addr *addr)
/* called with rcu_read_lock() */
static struct inet6_dev *ip6_mc_find_dev_rcu(struct net *net,
struct in6_addr *group,
const struct in6_addr *group,
int ifindex)
{
struct net_device *dev = NULL;
@@ -451,7 +451,7 @@ done:
int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf)
{
struct in6_addr *group;
const struct in6_addr *group;
struct ipv6_mc_socklist *pmc;
struct inet6_dev *idev;
struct ipv6_pinfo *inet6 = inet6_sk(sk);
@@ -542,7 +542,7 @@ int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
struct group_filter __user *optval, int __user *optlen)
{
int err, i, count, copycount;
struct in6_addr *group;
const struct in6_addr *group;
struct ipv6_mc_socklist *pmc;
struct inet6_dev *idev;
struct ipv6_pinfo *inet6 = inet6_sk(sk);
@@ -752,7 +752,7 @@ static void mld_add_delrec(struct inet6_dev *idev, struct ifmcaddr6 *im)
spin_unlock_bh(&idev->mc_lock);
}
static void mld_del_delrec(struct inet6_dev *idev, struct in6_addr *pmca)
static void mld_del_delrec(struct inet6_dev *idev, const struct in6_addr *pmca)
{
struct ifmcaddr6 *pmc, *pmc_prev;
struct ip6_sf_list *psf, *psf_next;
@@ -1052,7 +1052,7 @@ static void igmp6_group_queried(struct ifmcaddr6 *ma, unsigned long resptime)
/* mark EXCLUDE-mode sources */
static int mld_xmarksources(struct ifmcaddr6 *pmc, int nsrcs,
struct in6_addr *srcs)
const struct in6_addr *srcs)
{
struct ip6_sf_list *psf;
int i, scount;
@@ -1080,7 +1080,7 @@ static int mld_xmarksources(struct ifmcaddr6 *pmc, int nsrcs,
}
static int mld_marksources(struct ifmcaddr6 *pmc, int nsrcs,
struct in6_addr *srcs)
const struct in6_addr *srcs)
{
struct ip6_sf_list *psf;
int i, scount;
@@ -1115,7 +1115,7 @@ int igmp6_event_query(struct sk_buff *skb)
{
struct mld2_query *mlh2 = NULL;
struct ifmcaddr6 *ma;
struct in6_addr *group;
const struct in6_addr *group;
unsigned long max_delay;
struct inet6_dev *idev;
struct mld_msg *mld;
@@ -1821,7 +1821,7 @@ err_out:
}
static int ip6_mc_del1_src(struct ifmcaddr6 *pmc, int sfmode,
struct in6_addr *psfsrc)
const struct in6_addr *psfsrc)
{
struct ip6_sf_list *psf, *psf_prev;
int rv = 0;
@@ -1857,8 +1857,8 @@ static int ip6_mc_del1_src(struct ifmcaddr6 *pmc, int sfmode,
return rv;
}
static int ip6_mc_del_src(struct inet6_dev *idev, struct in6_addr *pmca,
int sfmode, int sfcount, struct in6_addr *psfsrc,
static int ip6_mc_del_src(struct inet6_dev *idev, const struct in6_addr *pmca,
int sfmode, int sfcount, const struct in6_addr *psfsrc,
int delta)
{
struct ifmcaddr6 *pmc;
@@ -1918,7 +1918,7 @@ static int ip6_mc_del_src(struct inet6_dev *idev, struct in6_addr *pmca,
* Add multicast single-source filter to the interface list
*/
static int ip6_mc_add1_src(struct ifmcaddr6 *pmc, int sfmode,
struct in6_addr *psfsrc, int delta)
const struct in6_addr *psfsrc, int delta)
{
struct ip6_sf_list *psf, *psf_prev;
@@ -2021,8 +2021,8 @@ static int sf_setstate(struct ifmcaddr6 *pmc)
/*
* Add multicast source filter list to the interface list
*/
static int ip6_mc_add_src(struct inet6_dev *idev, struct in6_addr *pmca,
int sfmode, int sfcount, struct in6_addr *psfsrc,
static int ip6_mc_add_src(struct inet6_dev *idev, const struct in6_addr *pmca,
int sfmode, int sfcount, const struct in6_addr *psfsrc,
int delta)
{
struct ifmcaddr6 *pmc;