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Diffstat (limited to 'net/ipv6/mcast.c')
-rw-r--r--net/ipv6/mcast.c71
1 files changed, 35 insertions, 36 deletions
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index b2869cab2092..6d0f5dc8e3a6 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -606,13 +606,13 @@ done:
return err;
}
-int inet6_mc_check(struct sock *sk, const struct in6_addr *mc_addr,
- const struct in6_addr *src_addr)
+bool inet6_mc_check(struct sock *sk, const struct in6_addr *mc_addr,
+ const struct in6_addr *src_addr)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct ipv6_mc_socklist *mc;
struct ip6_sf_socklist *psl;
- int rv = 1;
+ bool rv = true;
rcu_read_lock();
for_each_pmc_rcu(np, mc) {
@@ -621,7 +621,7 @@ int inet6_mc_check(struct sock *sk, const struct in6_addr *mc_addr,
}
if (!mc) {
rcu_read_unlock();
- return 1;
+ return true;
}
read_lock(&mc->sflock);
psl = mc->sflist;
@@ -635,9 +635,9 @@ int inet6_mc_check(struct sock *sk, const struct in6_addr *mc_addr,
break;
}
if (mc->sfmode == MCAST_INCLUDE && i >= psl->sl_count)
- rv = 0;
+ rv = false;
if (mc->sfmode == MCAST_EXCLUDE && i < psl->sl_count)
- rv = 0;
+ rv = false;
}
read_unlock(&mc->sflock);
rcu_read_unlock();
@@ -931,15 +931,15 @@ int ipv6_dev_mc_dec(struct net_device *dev, const struct in6_addr *addr)
/*
* identify MLD packets for MLD filter exceptions
*/
-int ipv6_is_mld(struct sk_buff *skb, int nexthdr)
+bool ipv6_is_mld(struct sk_buff *skb, int nexthdr)
{
struct icmp6hdr *pic;
if (nexthdr != IPPROTO_ICMPV6)
- return 0;
+ return false;
if (!pskb_may_pull(skb, sizeof(struct icmp6hdr)))
- return 0;
+ return false;
pic = icmp6_hdr(skb);
@@ -948,22 +948,22 @@ int ipv6_is_mld(struct sk_buff *skb, int nexthdr)
case ICMPV6_MGM_REPORT:
case ICMPV6_MGM_REDUCTION:
case ICMPV6_MLD2_REPORT:
- return 1;
+ return true;
default:
break;
}
- return 0;
+ return false;
}
/*
* check if the interface/address pair is valid
*/
-int ipv6_chk_mcast_addr(struct net_device *dev, const struct in6_addr *group,
- const struct in6_addr *src_addr)
+bool ipv6_chk_mcast_addr(struct net_device *dev, const struct in6_addr *group,
+ const struct in6_addr *src_addr)
{
struct inet6_dev *idev;
struct ifmcaddr6 *mc;
- int rv = 0;
+ bool rv = false;
rcu_read_lock();
idev = __in6_dev_get(dev);
@@ -990,7 +990,7 @@ int ipv6_chk_mcast_addr(struct net_device *dev, const struct in6_addr *group,
rv = mc->mca_sfcount[MCAST_EXCLUDE] !=0;
spin_unlock_bh(&mc->mca_lock);
} else
- rv = 1; /* don't filter unspecified source */
+ rv = true; /* don't filter unspecified source */
}
read_unlock_bh(&idev->lock);
}
@@ -1046,8 +1046,8 @@ static void igmp6_group_queried(struct ifmcaddr6 *ma, unsigned long resptime)
}
/* mark EXCLUDE-mode sources */
-static int mld_xmarksources(struct ifmcaddr6 *pmc, int nsrcs,
- const struct in6_addr *srcs)
+static bool mld_xmarksources(struct ifmcaddr6 *pmc, int nsrcs,
+ const struct in6_addr *srcs)
{
struct ip6_sf_list *psf;
int i, scount;
@@ -1061,7 +1061,7 @@ static int mld_xmarksources(struct ifmcaddr6 *pmc, int nsrcs,
if (psf->sf_count[MCAST_INCLUDE] ||
pmc->mca_sfcount[MCAST_EXCLUDE] !=
psf->sf_count[MCAST_EXCLUDE])
- continue;
+ break;
if (ipv6_addr_equal(&srcs[i], &psf->sf_addr)) {
scount++;
break;
@@ -1070,12 +1070,12 @@ static int mld_xmarksources(struct ifmcaddr6 *pmc, int nsrcs,
}
pmc->mca_flags &= ~MAF_GSQUERY;
if (scount == nsrcs) /* all sources excluded */
- return 0;
- return 1;
+ return false;
+ return true;
}
-static int mld_marksources(struct ifmcaddr6 *pmc, int nsrcs,
- const struct in6_addr *srcs)
+static bool mld_marksources(struct ifmcaddr6 *pmc, int nsrcs,
+ const struct in6_addr *srcs)
{
struct ip6_sf_list *psf;
int i, scount;
@@ -1099,10 +1099,10 @@ static int mld_marksources(struct ifmcaddr6 *pmc, int nsrcs,
}
if (!scount) {
pmc->mca_flags &= ~MAF_GSQUERY;
- return 0;
+ return false;
}
pmc->mca_flags |= MAF_GSQUERY;
- return 1;
+ return true;
}
/* called with rcu_read_lock() */
@@ -1276,17 +1276,17 @@ int igmp6_event_report(struct sk_buff *skb)
return 0;
}
-static int is_in(struct ifmcaddr6 *pmc, struct ip6_sf_list *psf, int type,
- int gdeleted, int sdeleted)
+static bool is_in(struct ifmcaddr6 *pmc, struct ip6_sf_list *psf, int type,
+ int gdeleted, int sdeleted)
{
switch (type) {
case MLD2_MODE_IS_INCLUDE:
case MLD2_MODE_IS_EXCLUDE:
if (gdeleted || sdeleted)
- return 0;
+ return false;
if (!((pmc->mca_flags & MAF_GSQUERY) && !psf->sf_gsresp)) {
if (pmc->mca_sfmode == MCAST_INCLUDE)
- return 1;
+ return true;
/* don't include if this source is excluded
* in all filters
*/
@@ -1295,29 +1295,29 @@ static int is_in(struct ifmcaddr6 *pmc, struct ip6_sf_list *psf, int type,
return pmc->mca_sfcount[MCAST_EXCLUDE] ==
psf->sf_count[MCAST_EXCLUDE];
}
- return 0;
+ return false;
case MLD2_CHANGE_TO_INCLUDE:
if (gdeleted || sdeleted)
- return 0;
+ return false;
return psf->sf_count[MCAST_INCLUDE] != 0;
case MLD2_CHANGE_TO_EXCLUDE:
if (gdeleted || sdeleted)
- return 0;
+ return false;
if (pmc->mca_sfcount[MCAST_EXCLUDE] == 0 ||
psf->sf_count[MCAST_INCLUDE])
- return 0;
+ return false;
return pmc->mca_sfcount[MCAST_EXCLUDE] ==
psf->sf_count[MCAST_EXCLUDE];
case MLD2_ALLOW_NEW_SOURCES:
if (gdeleted || !psf->sf_crcount)
- return 0;
+ return false;
return (pmc->mca_sfmode == MCAST_INCLUDE) ^ sdeleted;
case MLD2_BLOCK_OLD_SOURCES:
if (pmc->mca_sfmode == MCAST_INCLUDE)
return gdeleted || (psf->sf_crcount && sdeleted);
return psf->sf_crcount && !gdeleted && !sdeleted;
}
- return 0;
+ return false;
}
static int
@@ -2627,8 +2627,7 @@ static int __net_init igmp6_net_init(struct net *net)
err = inet_ctl_sock_create(&net->ipv6.igmp_sk, PF_INET6,
SOCK_RAW, IPPROTO_ICMPV6, net);
if (err < 0) {
- printk(KERN_ERR
- "Failed to initialize the IGMP6 control socket (err %d).\n",
+ pr_err("Failed to initialize the IGMP6 control socket (err %d)\n",
err);
goto out;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.