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-rw-r--r--include/net/addrconf.h14
-rw-r--r--include/net/cipso_ipv4.h3
-rw-r--r--include/net/if_inet6.h9
-rw-r--r--include/net/ip_fib.h7
-rw-r--r--include/net/ipv6.h7
-rw-r--r--net/ipv4/cipso_ipv4.c12
-rw-r--r--net/ipv4/fib_semantics.c2
-rw-r--r--net/ipv4/fib_trie.c2
-rw-r--r--net/ipv6/addrconf.c4
-rw-r--r--net/ipv6/addrlabel.c9
-rw-r--r--net/ipv6/anycast.c6
-rw-r--r--net/ipv6/exthdrs.c4
-rw-r--r--net/ipv6/ipv6_sockglue.c2
-rw-r--r--net/ipv6/mcast.c18
-rw-r--r--net/ipv6/xfrm6_tunnel.c8
15 files changed, 56 insertions, 51 deletions
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index d0889cb50172..6df79e96a780 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -316,7 +316,7 @@ static inline struct inet6_dev *in6_dev_get(const struct net_device *dev)
rcu_read_lock();
idev = rcu_dereference(dev->ip6_ptr);
if (idev)
- atomic_inc(&idev->refcnt);
+ refcount_inc(&idev->refcnt);
rcu_read_unlock();
return idev;
}
@@ -332,36 +332,36 @@ void in6_dev_finish_destroy(struct inet6_dev *idev);
static inline void in6_dev_put(struct inet6_dev *idev)
{
- if (atomic_dec_and_test(&idev->refcnt))
+ if (refcount_dec_and_test(&idev->refcnt))
in6_dev_finish_destroy(idev);
}
static inline void __in6_dev_put(struct inet6_dev *idev)
{
- atomic_dec(&idev->refcnt);
+ refcount_dec(&idev->refcnt);
}
static inline void in6_dev_hold(struct inet6_dev *idev)
{
- atomic_inc(&idev->refcnt);
+ refcount_inc(&idev->refcnt);
}
void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp);
static inline void in6_ifa_put(struct inet6_ifaddr *ifp)
{
- if (atomic_dec_and_test(&ifp->refcnt))
+ if (refcount_dec_and_test(&ifp->refcnt))
inet6_ifa_finish_destroy(ifp);
}
static inline void __in6_ifa_put(struct inet6_ifaddr *ifp)
{
- atomic_dec(&ifp->refcnt);
+ refcount_dec(&ifp->refcnt);
}
static inline void in6_ifa_hold(struct inet6_ifaddr *ifp)
{
- atomic_inc(&ifp->refcnt);
+ refcount_inc(&ifp->refcnt);
}
diff --git a/include/net/cipso_ipv4.h b/include/net/cipso_ipv4.h
index a34b141f125f..880adb2f2afd 100644
--- a/include/net/cipso_ipv4.h
+++ b/include/net/cipso_ipv4.h
@@ -41,6 +41,7 @@
#include <net/netlabel.h>
#include <net/request_sock.h>
#include <linux/atomic.h>
+#include <linux/refcount.h>
#include <asm/unaligned.h>
/* known doi values */
@@ -85,7 +86,7 @@ struct cipso_v4_doi {
} map;
u8 tags[CIPSO_V4_TAG_MAXCNT];
- atomic_t refcount;
+ refcount_t refcount;
struct list_head list;
struct rcu_head rcu;
};
diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h
index f656f9051aca..d4088d1a688d 100644
--- a/include/net/if_inet6.h
+++ b/include/net/if_inet6.h
@@ -17,6 +17,7 @@
#include <net/snmp.h>
#include <linux/ipv6.h>
+#include <linux/refcount.h>
/* inet6_dev.if_flags */
@@ -45,7 +46,7 @@ struct inet6_ifaddr {
/* In seconds, relative to tstamp. Expiry is at tstamp + HZ * lft. */
__u32 valid_lft;
__u32 prefered_lft;
- atomic_t refcnt;
+ refcount_t refcnt;
spinlock_t lock;
int state;
@@ -126,7 +127,7 @@ struct ifmcaddr6 {
struct timer_list mca_timer;
unsigned int mca_flags;
int mca_users;
- atomic_t mca_refcnt;
+ refcount_t mca_refcnt;
spinlock_t mca_lock;
unsigned long mca_cstamp;
unsigned long mca_tstamp;
@@ -146,7 +147,7 @@ struct ifacaddr6 {
struct rt6_info *aca_rt;
struct ifacaddr6 *aca_next;
int aca_users;
- atomic_t aca_refcnt;
+ refcount_t aca_refcnt;
unsigned long aca_cstamp;
unsigned long aca_tstamp;
};
@@ -187,7 +188,7 @@ struct inet6_dev {
struct ifacaddr6 *ac_list;
rwlock_t lock;
- atomic_t refcnt;
+ refcount_t refcnt;
__u32 if_flags;
int dead;
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 3dbfd5e6a347..41d580c6185f 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -23,6 +23,7 @@
#include <net/inetpeer.h>
#include <linux/percpu.h>
#include <linux/notifier.h>
+#include <linux/refcount.h>
struct fib_config {
u8 fc_dst_len;
@@ -105,7 +106,7 @@ struct fib_info {
struct hlist_node fib_lhash;
struct net *fib_net;
int fib_treeref;
- atomic_t fib_clntref;
+ refcount_t fib_clntref;
unsigned int fib_flags;
unsigned char fib_dead;
unsigned char fib_protocol;
@@ -430,12 +431,12 @@ void free_fib_info(struct fib_info *fi);
static inline void fib_info_hold(struct fib_info *fi)
{
- atomic_inc(&fi->fib_clntref);
+ refcount_inc(&fi->fib_clntref);
}
static inline void fib_info_put(struct fib_info *fi)
{
- if (atomic_dec_and_test(&fi->fib_clntref))
+ if (refcount_dec_and_test(&fi->fib_clntref))
free_fib_info(fi);
}
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 3e505bbff8ca..6eac5cf8f1e6 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -16,6 +16,7 @@
#include <linux/ipv6.h>
#include <linux/hardirq.h>
#include <linux/jhash.h>
+#include <linux/refcount.h>
#include <net/if_inet6.h>
#include <net/ndisc.h>
#include <net/flow.h>
@@ -203,7 +204,7 @@ extern rwlock_t ip6_ra_lock;
*/
struct ipv6_txoptions {
- atomic_t refcnt;
+ refcount_t refcnt;
/* Length of this structure */
int tot_len;
@@ -265,7 +266,7 @@ static inline struct ipv6_txoptions *txopt_get(const struct ipv6_pinfo *np)
rcu_read_lock();
opt = rcu_dereference(np->opt);
if (opt) {
- if (!atomic_inc_not_zero(&opt->refcnt))
+ if (!refcount_inc_not_zero(&opt->refcnt))
opt = NULL;
else
opt = rcu_pointer_handoff(opt);
@@ -276,7 +277,7 @@ static inline struct ipv6_txoptions *txopt_get(const struct ipv6_pinfo *np)
static inline void txopt_put(struct ipv6_txoptions *opt)
{
- if (opt && atomic_dec_and_test(&opt->refcnt))
+ if (opt && refcount_dec_and_test(&opt->refcnt))
kfree_rcu(opt, rcu);
}
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index c2044775ae7d..c4c6e1969ed0 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -375,7 +375,7 @@ static struct cipso_v4_doi *cipso_v4_doi_search(u32 doi)
struct cipso_v4_doi *iter;
list_for_each_entry_rcu(iter, &cipso_v4_doi_list, list)
- if (iter->doi == doi && atomic_read(&iter->refcount))
+ if (iter->doi == doi && refcount_read(&iter->refcount))
return iter;
return NULL;
}
@@ -429,7 +429,7 @@ int cipso_v4_doi_add(struct cipso_v4_doi *doi_def,
}
}
- atomic_set(&doi_def->refcount, 1);
+ refcount_set(&doi_def->refcount, 1);
spin_lock(&cipso_v4_doi_list_lock);
if (cipso_v4_doi_search(doi_def->doi)) {
@@ -533,7 +533,7 @@ int cipso_v4_doi_remove(u32 doi, struct netlbl_audit *audit_info)
ret_val = -ENOENT;
goto doi_remove_return;
}
- if (!atomic_dec_and_test(&doi_def->refcount)) {
+ if (!refcount_dec_and_test(&doi_def->refcount)) {
spin_unlock(&cipso_v4_doi_list_lock);
ret_val = -EBUSY;
goto doi_remove_return;
@@ -576,7 +576,7 @@ struct cipso_v4_doi *cipso_v4_doi_getdef(u32 doi)
doi_def = cipso_v4_doi_search(doi);
if (!doi_def)
goto doi_getdef_return;
- if (!atomic_inc_not_zero(&doi_def->refcount))
+ if (!refcount_inc_not_zero(&doi_def->refcount))
doi_def = NULL;
doi_getdef_return:
@@ -597,7 +597,7 @@ void cipso_v4_doi_putdef(struct cipso_v4_doi *doi_def)
if (!doi_def)
return;
- if (!atomic_dec_and_test(&doi_def->refcount))
+ if (!refcount_dec_and_test(&doi_def->refcount))
return;
spin_lock(&cipso_v4_doi_list_lock);
list_del_rcu(&doi_def->list);
@@ -630,7 +630,7 @@ int cipso_v4_doi_walk(u32 *skip_cnt,
rcu_read_lock();
list_for_each_entry_rcu(iter_doi, &cipso_v4_doi_list, list)
- if (atomic_read(&iter_doi->refcount) > 0) {
+ if (refcount_read(&iter_doi->refcount) > 0) {
if (doi_cnt++ < *skip_cnt)
continue;
ret_val = callback(iter_doi, cb_arg);
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index ff47ea1408fe..222100103808 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -1253,7 +1253,7 @@ link_it:
}
fi->fib_treeref++;
- atomic_inc(&fi->fib_clntref);
+ refcount_set(&fi->fib_clntref, 1);
spin_lock_bh(&fib_info_lock);
hlist_add_head(&fi->fib_hash,
&fib_info_hash[fib_info_hashfn(fi)]);
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index d56659e97a6e..64668c69dda6 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1463,7 +1463,7 @@ found:
}
if (!(fib_flags & FIB_LOOKUP_NOREF))
- atomic_inc(&fi->fib_clntref);
+ refcount_inc(&fi->fib_clntref);
res->prefix = htonl(n->key);
res->prefixlen = KEYLENGTH - fa->fa_slen;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 114fb64cf176..3c46e9513a31 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -426,7 +426,7 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev)
}
/* One reference from device. */
- in6_dev_hold(ndev);
+ refcount_set(&ndev->refcnt, 1);
if (dev->flags & (IFF_NOARP | IFF_LOOPBACK))
ndev->cnf.accept_dad = -1;
@@ -1050,7 +1050,7 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr,
ifa->idev = idev;
/* For caller */
- in6_ifa_hold(ifa);
+ refcount_set(&ifa->refcnt, 1);
/* Add to big hash table */
hash = inet6_addr_hash(addr);
diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c
index 07cd7d248bb6..7a428f65c7ec 100644
--- a/net/ipv6/addrlabel.c
+++ b/net/ipv6/addrlabel.c
@@ -18,6 +18,7 @@
#include <linux/if_addrlabel.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
+#include <linux/refcount.h>
#if 0
#define ADDRLABEL(x...) printk(x)
@@ -36,7 +37,7 @@ struct ip6addrlbl_entry {
int addrtype;
u32 label;
struct hlist_node list;
- atomic_t refcnt;
+ refcount_t refcnt;
struct rcu_head rcu;
};
@@ -137,12 +138,12 @@ static void ip6addrlbl_free_rcu(struct rcu_head *h)
static bool ip6addrlbl_hold(struct ip6addrlbl_entry *p)
{
- return atomic_inc_not_zero(&p->refcnt);
+ return refcount_inc_not_zero(&p->refcnt);
}
static inline void ip6addrlbl_put(struct ip6addrlbl_entry *p)
{
- if (atomic_dec_and_test(&p->refcnt))
+ if (refcount_dec_and_test(&p->refcnt))
call_rcu(&p->rcu, ip6addrlbl_free_rcu);
}
@@ -236,7 +237,7 @@ static struct ip6addrlbl_entry *ip6addrlbl_alloc(struct net *net,
newp->label = label;
INIT_HLIST_NODE(&newp->list);
write_pnet(&newp->lbl_net, net);
- atomic_set(&newp->refcnt, 1);
+ refcount_set(&newp->refcnt, 1);
return newp;
}
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index 514ac259f543..0bbab8a4b5d8 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -203,12 +203,12 @@ void ipv6_sock_ac_close(struct sock *sk)
static void aca_get(struct ifacaddr6 *aca)
{
- atomic_inc(&aca->aca_refcnt);
+ refcount_inc(&aca->aca_refcnt);
}
static void aca_put(struct ifacaddr6 *ac)
{
- if (atomic_dec_and_test(&ac->aca_refcnt)) {
+ if (refcount_dec_and_test(&ac->aca_refcnt)) {
in6_dev_put(ac->aca_idev);
dst_release(&ac->aca_rt->dst);
kfree(ac);
@@ -232,7 +232,7 @@ static struct ifacaddr6 *aca_alloc(struct rt6_info *rt,
aca->aca_users = 1;
/* aca_tstamp should be updated upon changes */
aca->aca_cstamp = aca->aca_tstamp = jiffies;
- atomic_set(&aca->aca_refcnt, 1);
+ refcount_set(&aca->aca_refcnt, 1);
return aca;
}
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 0460af226011..4996d734f1d2 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -971,7 +971,7 @@ ipv6_dup_options(struct sock *sk, struct ipv6_txoptions *opt)
*((char **)&opt2->dst1opt) += dif;
if (opt2->srcrt)
*((char **)&opt2->srcrt) += dif;
- atomic_set(&opt2->refcnt, 1);
+ refcount_set(&opt2->refcnt, 1);
}
return opt2;
}
@@ -1056,7 +1056,7 @@ ipv6_renew_options(struct sock *sk, struct ipv6_txoptions *opt,
return ERR_PTR(-ENOBUFS);
memset(opt2, 0, tot_len);
- atomic_set(&opt2->refcnt, 1);
+ refcount_set(&opt2->refcnt, 1);
opt2->tot_len = tot_len;
p = (char *)(opt2 + 1);
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index a531ba032b85..85404e7c3114 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -505,7 +505,7 @@ sticky_done:
break;
memset(opt, 0, sizeof(*opt));
- atomic_set(&opt->refcnt, 1);
+ refcount_set(&opt->refcnt, 1);
opt->tot_len = sizeof(*opt) + optlen;
retv = -EFAULT;
if (copy_from_user(opt+1, optval, optlen))
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index e2221135858b..12b7c27ce5ce 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -701,7 +701,7 @@ static void igmp6_group_dropped(struct ifmcaddr6 *mc)
spin_lock_bh(&mc->mca_lock);
if (del_timer(&mc->mca_timer))
- atomic_dec(&mc->mca_refcnt);
+ refcount_dec(&mc->mca_refcnt);
spin_unlock_bh(&mc->mca_lock);
}
@@ -819,12 +819,12 @@ static void mld_clear_delrec(struct inet6_dev *idev)
static void mca_get(struct ifmcaddr6 *mc)
{
- atomic_inc(&mc->mca_refcnt);
+ refcount_inc(&mc->mca_refcnt);
}
static void ma_put(struct ifmcaddr6 *mc)
{
- if (atomic_dec_and_test(&mc->mca_refcnt)) {
+ if (refcount_dec_and_test(&mc->mca_refcnt)) {
in6_dev_put(mc->idev);
kfree(mc);
}
@@ -846,7 +846,7 @@ static struct ifmcaddr6 *mca_alloc(struct inet6_dev *idev,
mc->mca_users = 1;
/* mca_stamp should be updated upon changes */
mc->mca_cstamp = mc->mca_tstamp = jiffies;
- atomic_set(&mc->mca_refcnt, 1);
+ refcount_set(&mc->mca_refcnt, 1);
spin_lock_init(&mc->mca_lock);
/* initial mode is (EX, empty) */
@@ -1065,7 +1065,7 @@ static void igmp6_group_queried(struct ifmcaddr6 *ma, unsigned long resptime)
return;
if (del_timer(&ma->mca_timer)) {
- atomic_dec(&ma->mca_refcnt);
+ refcount_dec(&ma->mca_refcnt);
delay = ma->mca_timer.expires - jiffies;
}
@@ -1074,7 +1074,7 @@ static void igmp6_group_queried(struct ifmcaddr6 *ma, unsigned long resptime)
ma->mca_timer.expires = jiffies + delay;
if (!mod_timer(&ma->mca_timer, jiffies + delay))
- atomic_inc(&ma->mca_refcnt);
+ refcount_inc(&ma->mca_refcnt);
ma->mca_flags |= MAF_TIMER_RUNNING;
}
@@ -1469,7 +1469,7 @@ int igmp6_event_report(struct sk_buff *skb)
if (ipv6_addr_equal(&ma->mca_addr, &mld->mld_mca)) {
spin_lock(&ma->mca_lock);
if (del_timer(&ma->mca_timer))
- atomic_dec(&ma->mca_refcnt);
+ refcount_dec(&ma->mca_refcnt);
ma->mca_flags &= ~(MAF_LAST_REPORTER|MAF_TIMER_RUNNING);
spin_unlock(&ma->mca_lock);
break;
@@ -2391,12 +2391,12 @@ static void igmp6_join_group(struct ifmcaddr6 *ma)
spin_lock_bh(&ma->mca_lock);
if (del_timer(&ma->mca_timer)) {
- atomic_dec(&ma->mca_refcnt);
+ refcount_dec(&ma->mca_refcnt);
delay = ma->mca_timer.expires - jiffies;
}
if (!mod_timer(&ma->mca_timer, jiffies + delay))
- atomic_inc(&ma->mca_refcnt);
+ refcount_inc(&ma->mca_refcnt);
ma->mca_flags |= MAF_TIMER_RUNNING | MAF_LAST_REPORTER;
spin_unlock_bh(&ma->mca_lock);
}
diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index d7b731a78d09..4e438bc7ee87 100644
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -59,7 +59,7 @@ struct xfrm6_tunnel_spi {
struct hlist_node list_byspi;
xfrm_address_t addr;
u32 spi;
- atomic_t refcnt;
+ refcount_t refcnt;
struct rcu_head rcu_head;
};
@@ -160,7 +160,7 @@ alloc_spi:
memcpy(&x6spi->addr, saddr, sizeof(x6spi->addr));
x6spi->spi = spi;
- atomic_set(&x6spi->refcnt, 1);
+ refcount_set(&x6spi->refcnt, 1);
hlist_add_head_rcu(&x6spi->list_byspi, &xfrm6_tn->spi_byspi[index]);
@@ -178,7 +178,7 @@ __be32 xfrm6_tunnel_alloc_spi(struct net *net, xfrm_address_t *saddr)
spin_lock_bh(&xfrm6_tunnel_spi_lock);
x6spi = __xfrm6_tunnel_spi_lookup(net, saddr);
if (x6spi) {
- atomic_inc(&x6spi->refcnt);
+ refcount_inc(&x6spi->refcnt);
spi = x6spi->spi;
} else
spi = __xfrm6_tunnel_alloc_spi(net, saddr);
@@ -207,7 +207,7 @@ static void xfrm6_tunnel_free_spi(struct net *net, xfrm_address_t *saddr)
list_byaddr)
{
if (xfrm6_addr_equal(&x6spi->addr, saddr)) {
- if (atomic_dec_and_test(&x6spi->refcnt)) {
+ if (refcount_dec_and_test(&x6spi->refcnt)) {
hlist_del_rcu(&x6spi->list_byaddr);
hlist_del_rcu(&x6spi->list_byspi);
call_rcu(&x6spi->rcu_head, x6spi_destroy_rcu);
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-29 19:55:21 +0300