From b71d1d426d263b0b6cb5760322efebbfc89d4463 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Fri, 22 Apr 2011 04:53:02 +0000 Subject: 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 Signed-off-by: David S. Miller --- net/ipv6/mcast.c | 36 ++++++++++++++++++------------------ 1 file changed, 18 insertions(+), 18 deletions(-) (limited to 'net/ipv6/mcast.c') diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index 76b8937..ff62e33 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -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; -- cgit v1.1