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net: reintroduce missing rcu_assign_pointer() calls

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commit a9b3cd7f32 (rcu: convert uses of rcu_assign_pointer(x, NULL) to
RCU_INIT_POINTER) did a lot of incorrect changes, since it did a
complete conversion of rcu_assign_pointer(x, y) to RCU_INIT_POINTER(x,
y).

We miss needed barriers, even on x86, when y is not NULL.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Stephen Hemminger <shemminger@vyatta.com>
CC: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2012-01-12 04:41:32 +00:00 committed by David S. Miller
parent 9ee6045f09
commit cf778b00e9
32 changed files with 61 additions and 63 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
net/core/net-sysfs.c
View File

@ -1177,9 +1177,9 @@ static ssize_t store_xps_map(struct netdev_queue *queue,
nonempty = 1;
}
if (nonempty)
RCU_INIT_POINTER(dev->xps_maps, new_dev_maps);
else {
if (nonempty) {
rcu_assign_pointer(dev->xps_maps, new_dev_maps);
} else {
kfree(new_dev_maps);
RCU_INIT_POINTER(dev->xps_maps, NULL);
}

2
net/core/netpoll.c
View File

@ -765,7 +765,7 @@ int __netpoll_setup(struct netpoll *np)
}
/* last thing to do is link it to the net device structure */
RCU_INIT_POINTER(ndev->npinfo, npinfo);
rcu_assign_pointer(ndev->npinfo, npinfo);
return 0;

4
net/decnet/dn_dev.c
View File

@ -388,7 +388,7 @@ static int dn_dev_insert_ifa(struct dn_dev *dn_db, struct dn_ifaddr *ifa)
}
ifa->ifa_next = dn_db->ifa_list;
RCU_INIT_POINTER(dn_db->ifa_list, ifa);
rcu_assign_pointer(dn_db->ifa_list, ifa);
dn_ifaddr_notify(RTM_NEWADDR, ifa);
blocking_notifier_call_chain(&dnaddr_chain, NETDEV_UP, ifa);
@ -1093,7 +1093,7 @@ static struct dn_dev *dn_dev_create(struct net_device *dev, int *err)
memcpy(&dn_db->parms, p, sizeof(struct dn_dev_parms));
RCU_INIT_POINTER(dev->dn_ptr, dn_db);
rcu_assign_pointer(dev->dn_ptr, dn_db);
dn_db->dev = dev;
init_timer(&dn_db->timer);

2
net/ipv4/devinet.c
View File

@ -258,7 +258,7 @@ static struct in_device *inetdev_init(struct net_device *dev)
ip_mc_up(in_dev);
/* we can receive as soon as ip_ptr is set -- do this last */
RCU_INIT_POINTER(dev->ip_ptr, in_dev);
rcu_assign_pointer(dev->ip_ptr, in_dev);
out:
return in_dev;
out_kfree:

10
net/ipv4/fib_trie.c
View File

@ -205,7 +205,7 @@ static inline struct tnode *node_parent_rcu(const struct rt_trie_node *node)
return (struct tnode *)(parent & ~NODE_TYPE_MASK);
}
/* Same as RCU_INIT_POINTER
/* Same as rcu_assign_pointer
* but that macro() assumes that value is a pointer.
*/
static inline void node_set_parent(struct rt_trie_node *node, struct tnode *ptr)
@ -529,7 +529,7 @@ static void tnode_put_child_reorg(struct tnode *tn, int i, struct rt_trie_node *
if (n)
node_set_parent(n, tn);
RCU_INIT_POINTER(tn->child[i], n);
rcu_assign_pointer(tn->child[i], n);
}
#define MAX_WORK 10
@ -1015,7 +1015,7 @@ static void trie_rebalance(struct trie *t, struct tnode *tn)
tp = node_parent((struct rt_trie_node *) tn);
if (!tp)
RCU_INIT_POINTER(t->trie, (struct rt_trie_node *)tn);
rcu_assign_pointer(t->trie, (struct rt_trie_node *)tn);
tnode_free_flush();
if (!tp)
@ -1027,7 +1027,7 @@ static void trie_rebalance(struct trie *t, struct tnode *tn)
if (IS_TNODE(tn))
tn = (struct tnode *)resize(t, (struct tnode *)tn);
RCU_INIT_POINTER(t->trie, (struct rt_trie_node *)tn);
rcu_assign_pointer(t->trie, (struct rt_trie_node *)tn);
tnode_free_flush();
}
@ -1164,7 +1164,7 @@ static struct list_head *fib_insert_node(struct trie *t, u32 key, int plen)
put_child(t, (struct tnode *)tp, cindex,
(struct rt_trie_node *)tn);
} else {
RCU_INIT_POINTER(t->trie, (struct rt_trie_node *)tn);
rcu_assign_pointer(t->trie, (struct rt_trie_node *)tn);
tp = tn;
}
}

8
net/ipv4/igmp.c
View File

@ -1249,7 +1249,7 @@ void ip_mc_inc_group(struct in_device *in_dev, __be32 addr)
im->next_rcu = in_dev->mc_list;
in_dev->mc_count++;
RCU_INIT_POINTER(in_dev->mc_list, im);
rcu_assign_pointer(in_dev->mc_list, im);
#ifdef CONFIG_IP_MULTICAST
igmpv3_del_delrec(in_dev, im->multiaddr);
@ -1821,7 +1821,7 @@ int ip_mc_join_group(struct sock *sk , struct ip_mreqn *imr)
iml->next_rcu = inet->mc_list;
iml->sflist = NULL;
iml->sfmode = MCAST_EXCLUDE;
RCU_INIT_POINTER(inet->mc_list, iml);
rcu_assign_pointer(inet->mc_list, iml);
ip_mc_inc_group(in_dev, addr);
err = 0;
done:
@ -2008,7 +2008,7 @@ int ip_mc_source(int add, int omode, struct sock *sk, struct
atomic_sub(IP_SFLSIZE(psl->sl_max), &sk->sk_omem_alloc);
kfree_rcu(psl, rcu);
}
RCU_INIT_POINTER(pmc->sflist, newpsl);
rcu_assign_pointer(pmc->sflist, newpsl);
psl = newpsl;
}
rv = 1; /* > 0 for insert logic below if sl_count is 0 */
@ -2111,7 +2111,7 @@ int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf, int ifindex)
} else
(void) ip_mc_del_src(in_dev, &msf->imsf_multiaddr, pmc->sfmode,
0, NULL, 0);
RCU_INIT_POINTER(pmc->sflist, newpsl);
rcu_assign_pointer(pmc->sflist, newpsl);
pmc->sfmode = msf->imsf_fmode;
err = 0;
done:

8
net/ipv4/ipip.c
View File

@ -231,7 +231,7 @@ static void ipip_tunnel_unlink(struct ipip_net *ipn, struct ip_tunnel *t)
(iter = rtnl_dereference(*tp)) != NULL;
tp = &iter->next) {
if (t == iter) {
RCU_INIT_POINTER(*tp, t->next);
rcu_assign_pointer(*tp, t->next);
break;
}
}
@ -241,8 +241,8 @@ static void ipip_tunnel_link(struct ipip_net *ipn, struct ip_tunnel *t)
{
struct ip_tunnel __rcu **tp = ipip_bucket(ipn, t);
RCU_INIT_POINTER(t->next, rtnl_dereference(*tp));
RCU_INIT_POINTER(*tp, t);
rcu_assign_pointer(t->next, rtnl_dereference(*tp));
rcu_assign_pointer(*tp, t);
}
static struct ip_tunnel * ipip_tunnel_locate(struct net *net,
@ -792,7 +792,7 @@ static int __net_init ipip_fb_tunnel_init(struct net_device *dev)
return -ENOMEM;
dev_hold(dev);
RCU_INIT_POINTER(ipn->tunnels_wc[0], tunnel);
rcu_assign_pointer(ipn->tunnels_wc[0], tunnel);
return 0;
}

2
net/ipv4/ipmr.c
View File

@ -1225,7 +1225,7 @@ int ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, unsi
ret = ip_ra_control(sk, 1, mrtsock_destruct);
if (ret == 0) {
RCU_INIT_POINTER(mrt->mroute_sk, sk);
rcu_assign_pointer(mrt->mroute_sk, sk);
IPV4_DEVCONF_ALL(net, MC_FORWARDING)++;
}
rtnl_unlock();

2
net/ipv6/addrconf.c
View File

@ -429,7 +429,7 @@ static struct inet6_dev * ipv6_add_dev(struct net_device *dev)
ndev->tstamp = jiffies;
addrconf_sysctl_register(ndev);
/* protected by rtnl_lock */
RCU_INIT_POINTER(dev->ip6_ptr, ndev);
rcu_assign_pointer(dev->ip6_ptr, ndev);
/* Join all-node multicast group */
ipv6_dev_mc_inc(dev, &in6addr_linklocal_allnodes);

8
net/ipv6/ip6_tunnel.c
View File

@ -218,8 +218,8 @@ ip6_tnl_link(struct ip6_tnl_net *ip6n, struct ip6_tnl *t)
{
struct ip6_tnl __rcu **tp = ip6_tnl_bucket(ip6n, &t->parms);
RCU_INIT_POINTER(t->next , rtnl_dereference(*tp));
RCU_INIT_POINTER(*tp, t);
rcu_assign_pointer(t->next , rtnl_dereference(*tp));
rcu_assign_pointer(*tp, t);
}
/**
@ -237,7 +237,7 @@ ip6_tnl_unlink(struct ip6_tnl_net *ip6n, struct ip6_tnl *t)
(iter = rtnl_dereference(*tp)) != NULL;
tp = &iter->next) {
if (t == iter) {
RCU_INIT_POINTER(*tp, t->next);
rcu_assign_pointer(*tp, t->next);
break;
}
}
@ -1450,7 +1450,7 @@ static int __net_init ip6_fb_tnl_dev_init(struct net_device *dev)
t->parms.proto = IPPROTO_IPV6;
dev_hold(dev);
RCU_INIT_POINTER(ip6n->tnls_wc[0], t);
rcu_assign_pointer(ip6n->tnls_wc[0], t);
return 0;
}

2
net/ipv6/raw.c
View File

@ -131,7 +131,7 @@ static mh_filter_t __rcu *mh_filter __read_mostly;
int rawv6_mh_filter_register(mh_filter_t filter)
{
RCU_INIT_POINTER(mh_filter, filter);
rcu_assign_pointer(mh_filter, filter);
return 0;
}
EXPORT_SYMBOL(rawv6_mh_filter_register);

10
net/ipv6/sit.c
View File

@ -182,7 +182,7 @@ static void ipip6_tunnel_unlink(struct sit_net *sitn, struct ip_tunnel *t)
(iter = rtnl_dereference(*tp)) != NULL;
tp = &iter->next) {
if (t == iter) {
RCU_INIT_POINTER(*tp, t->next);
rcu_assign_pointer(*tp, t->next);
break;
}
}
@ -192,8 +192,8 @@ static void ipip6_tunnel_link(struct sit_net *sitn, struct ip_tunnel *t)
{
struct ip_tunnel __rcu **tp = ipip6_bucket(sitn, t);
RCU_INIT_POINTER(t->next, rtnl_dereference(*tp));
RCU_INIT_POINTER(*tp, t);
rcu_assign_pointer(t->next, rtnl_dereference(*tp));
rcu_assign_pointer(*tp, t);
}
static void ipip6_tunnel_clone_6rd(struct net_device *dev, struct sit_net *sitn)
@ -393,7 +393,7 @@ ipip6_tunnel_add_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a, int chg)
p->addr = a->addr;
p->flags = a->flags;
t->prl_count++;
RCU_INIT_POINTER(t->prl, p);
rcu_assign_pointer(t->prl, p);
out:
return err;
}
@ -1177,7 +1177,7 @@ static int __net_init ipip6_fb_tunnel_init(struct net_device *dev)
if (!dev->tstats)
return -ENOMEM;
dev_hold(dev);
RCU_INIT_POINTER(sitn->tunnels_wc[0], tunnel);
rcu_assign_pointer(sitn->tunnels_wc[0], tunnel);
return 0;
}

2
net/mac80211/agg-rx.c
View File

@ -332,7 +332,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
status = WLAN_STATUS_SUCCESS;
/* activate it for RX */
RCU_INIT_POINTER(sta->ampdu_mlme.tid_rx[tid], tid_agg_rx);
rcu_assign_pointer(sta->ampdu_mlme.tid_rx[tid], tid_agg_rx);
if (timeout)
mod_timer(&tid_agg_rx->session_timer, TU_TO_EXP_TIME(timeout));

4
net/mac80211/cfg.c
View File

@ -616,7 +616,7 @@ static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
sdata->vif.bss_conf.dtim_period = new->dtim_period;
RCU_INIT_POINTER(sdata->u.ap.beacon, new);
rcu_assign_pointer(sdata->u.ap.beacon, new);
synchronize_rcu();
@ -1033,7 +1033,7 @@ static int ieee80211_change_station(struct wiphy *wiphy,
return -EBUSY;
}
RCU_INIT_POINTER(vlansdata->u.vlan.sta, sta);
rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
}
sta->sdata = vlansdata;

2
net/mac80211/ibss.c
View File

@ -207,7 +207,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
*pos++ = 0; /* U-APSD no in use */
}
RCU_INIT_POINTER(ifibss->presp, skb);
rcu_assign_pointer(ifibss->presp, skb);
sdata->vif.bss_conf.beacon_int = beacon_int;
sdata->vif.bss_conf.basic_rates = basic_rates;

6
net/mac80211/sta_info.c
View File

@ -73,7 +73,7 @@ static int sta_info_hash_del(struct ieee80211_local *local,
if (!s)
return -ENOENT;
if (s == sta) {
RCU_INIT_POINTER(local->sta_hash[STA_HASH(sta->sta.addr)],
rcu_assign_pointer(local->sta_hash[STA_HASH(sta->sta.addr)],
s->hnext);
return 0;
}
@ -83,7 +83,7 @@ static int sta_info_hash_del(struct ieee80211_local *local,
s = rcu_dereference_protected(s->hnext,
lockdep_is_held(&local->sta_mtx));
if (rcu_access_pointer(s->hnext)) {
RCU_INIT_POINTER(s->hnext, sta->hnext);
rcu_assign_pointer(s->hnext, sta->hnext);
return 0;
}
@ -226,7 +226,7 @@ static void sta_info_hash_add(struct ieee80211_local *local,
{
lockdep_assert_held(&local->sta_mtx);
sta->hnext = local->sta_hash[STA_HASH(sta->sta.addr)];
RCU_INIT_POINTER(local->sta_hash[STA_HASH(sta->sta.addr)], sta);
rcu_assign_pointer(local->sta_hash[STA_HASH(sta->sta.addr)], sta);
}
static void sta_unblock(struct work_struct *wk)

2
net/netfilter/nf_conntrack_core.c
View File

@ -777,7 +777,7 @@ init_conntrack(struct net *net, struct nf_conn *tmpl,
if (exp->helper) {
help = nf_ct_helper_ext_add(ct, GFP_ATOMIC);
if (help)
RCU_INIT_POINTER(help->helper, exp->helper);
rcu_assign_pointer(help->helper, exp->helper);
}
#ifdef CONFIG_NF_CONNTRACK_MARK

4
net/netfilter/nf_conntrack_ecache.c
View File

@ -91,7 +91,7 @@ int nf_conntrack_register_notifier(struct net *net,
ret = -EBUSY;
goto out_unlock;
}
RCU_INIT_POINTER(net->ct.nf_conntrack_event_cb, new);
rcu_assign_pointer(net->ct.nf_conntrack_event_cb, new);
mutex_unlock(&nf_ct_ecache_mutex);
return ret;
@ -128,7 +128,7 @@ int nf_ct_expect_register_notifier(struct net *net,
ret = -EBUSY;
goto out_unlock;
}
RCU_INIT_POINTER(net->ct.nf_expect_event_cb, new);
rcu_assign_pointer(net->ct.nf_expect_event_cb, new);
mutex_unlock(&nf_ct_ecache_mutex);
return ret;

2
net/netfilter/nf_conntrack_extend.c
View File

@ -169,7 +169,7 @@ int nf_ct_extend_register(struct nf_ct_ext_type *type)
before updating alloc_size */
type->alloc_size = ALIGN(sizeof(struct nf_ct_ext), type->align)
+ type->len;
RCU_INIT_POINTER(nf_ct_ext_types[type->id], type);
rcu_assign_pointer(nf_ct_ext_types[type->id], type);
update_alloc_size(type);
out:
mutex_unlock(&nf_ct_ext_type_mutex);

2
net/netfilter/nf_conntrack_helper.c
View File

@ -157,7 +157,7 @@ int __nf_ct_try_assign_helper(struct nf_conn *ct, struct nf_conn *tmpl,
memset(&help->help, 0, sizeof(help->help));
}
RCU_INIT_POINTER(help->helper, helper);
rcu_assign_pointer(help->helper, helper);
out:
return ret;
}

2
net/netfilter/nf_conntrack_netlink.c
View File

@ -1172,7 +1172,7 @@ ctnetlink_change_helper(struct nf_conn *ct, const struct nlattr * const cda[])
return -EOPNOTSUPP;
}
RCU_INIT_POINTER(help->helper, helper);
rcu_assign_pointer(help->helper, helper);
return 0;
}

6
net/netfilter/nf_log.c
View File

@ -55,7 +55,7 @@ int nf_log_register(u_int8_t pf, struct nf_logger *logger)
llog = rcu_dereference_protected(nf_loggers[pf],
lockdep_is_held(&nf_log_mutex));
if (llog == NULL)
RCU_INIT_POINTER(nf_loggers[pf], logger);
rcu_assign_pointer(nf_loggers[pf], logger);
}
mutex_unlock(&nf_log_mutex);
@ -92,7 +92,7 @@ int nf_log_bind_pf(u_int8_t pf, const struct nf_logger *logger)
mutex_unlock(&nf_log_mutex);
return -ENOENT;
}
RCU_INIT_POINTER(nf_loggers[pf], logger);
rcu_assign_pointer(nf_loggers[pf], logger);
mutex_unlock(&nf_log_mutex);
return 0;
}
@ -250,7 +250,7 @@ static int nf_log_proc_dostring(ctl_table *table, int write,
mutex_unlock(&nf_log_mutex);
return -ENOENT;
}
RCU_INIT_POINTER(nf_loggers[tindex], logger);
rcu_assign_pointer(nf_loggers[tindex], logger);
mutex_unlock(&nf_log_mutex);
} else {
mutex_lock(&nf_log_mutex);

2
net/netfilter/nf_queue.c
View File

@ -40,7 +40,7 @@ int nf_register_queue_handler(u_int8_t pf, const struct nf_queue_handler *qh)
else if (old)
ret = -EBUSY;
else {
RCU_INIT_POINTER(queue_handler[pf], qh);
rcu_assign_pointer(queue_handler[pf], qh);
ret = 0;
}
mutex_unlock(&queue_handler_mutex);

4
net/netfilter/nfnetlink.c
View File

@ -59,7 +59,7 @@ int nfnetlink_subsys_register(const struct nfnetlink_subsystem *n)
nfnl_unlock();
return -EBUSY;
}
RCU_INIT_POINTER(subsys_table[n->subsys_id], n);
rcu_assign_pointer(subsys_table[n->subsys_id], n);
nfnl_unlock();
return 0;
@ -210,7 +210,7 @@ static int __net_init nfnetlink_net_init(struct net *net)
if (!nfnl)
return -ENOMEM;
net->nfnl_stash = nfnl;
RCU_INIT_POINTER(net->nfnl, nfnl);
rcu_assign_pointer(net->nfnl, nfnl);
return 0;
}

4
net/netlabel/netlabel_domainhash.c
View File

@ -282,7 +282,7 @@ int __init netlbl_domhsh_init(u32 size)
INIT_LIST_HEAD(&hsh_tbl->tbl[iter]);
spin_lock(&netlbl_domhsh_lock);
RCU_INIT_POINTER(netlbl_domhsh, hsh_tbl);
rcu_assign_pointer(netlbl_domhsh, hsh_tbl);
spin_unlock(&netlbl_domhsh_lock);
return 0;
@ -330,7 +330,7 @@ int netlbl_domhsh_add(struct netlbl_dom_map *entry,
&rcu_dereference(netlbl_domhsh)->tbl[bkt]);
} else {
INIT_LIST_HEAD(&entry->list);
RCU_INIT_POINTER(netlbl_domhsh_def, entry);
rcu_assign_pointer(netlbl_domhsh_def, entry);
}
if (entry->type == NETLBL_NLTYPE_ADDRSELECT) {

6
net/netlabel/netlabel_unlabeled.c
View File

@ -354,7 +354,7 @@ static struct netlbl_unlhsh_iface *netlbl_unlhsh_add_iface(int ifindex)
INIT_LIST_HEAD(&iface->list);
if (netlbl_unlhsh_rcu_deref(netlbl_unlhsh_def) != NULL)
goto add_iface_failure;
RCU_INIT_POINTER(netlbl_unlhsh_def, iface);
rcu_assign_pointer(netlbl_unlhsh_def, iface);
}
spin_unlock(&netlbl_unlhsh_lock);
@ -1447,11 +1447,9 @@ int __init netlbl_unlabel_init(u32 size)
for (iter = 0; iter < hsh_tbl->size; iter++)
INIT_LIST_HEAD(&hsh_tbl->tbl[iter]);
rcu_read_lock();
spin_lock(&netlbl_unlhsh_lock);
RCU_INIT_POINTER(netlbl_unlhsh, hsh_tbl);
rcu_assign_pointer(netlbl_unlhsh, hsh_tbl);
spin_unlock(&netlbl_unlhsh_lock);
rcu_read_unlock();
register_netdevice_notifier(&netlbl_unlhsh_netdev_notifier);

2
net/phonet/af_phonet.c
View File

@ -480,7 +480,7 @@ int __init_or_module phonet_proto_register(unsigned int protocol,
if (proto_tab[protocol])
err = -EBUSY;
else
RCU_INIT_POINTER(proto_tab[protocol], pp);
rcu_assign_pointer(proto_tab[protocol], pp);
mutex_unlock(&proto_tab_lock);
return err;

2
net/phonet/pn_dev.c
View File

@ -390,7 +390,7 @@ int phonet_route_add(struct net_device *dev, u8 daddr)
daddr = daddr >> 2;
mutex_lock(&routes->lock);
if (routes->table[daddr] == NULL) {
RCU_INIT_POINTER(routes->table[daddr], dev);
rcu_assign_pointer(routes->table[daddr], dev);
dev_hold(dev);
err = 0;
}

2
net/phonet/socket.c
View File

@ -680,7 +680,7 @@ int pn_sock_bind_res(struct sock *sk, u8 res)
mutex_lock(&resource_mutex);
if (pnres.sk[res] == NULL) {
sock_hold(sk);
RCU_INIT_POINTER(pnres.sk[res], sk);
rcu_assign_pointer(pnres.sk[res], sk);
ret = 0;
}
mutex_unlock(&resource_mutex);

2
net/socket.c
View File

@ -2492,7 +2492,7 @@ int sock_register(const struct net_proto_family *ops)
lockdep_is_held(&net_family_lock)))
err = -EEXIST;
else {
RCU_INIT_POINTER(net_families[ops->family], ops);
rcu_assign_pointer(net_families[ops->family], ops);
err = 0;
}
spin_unlock(&net_family_lock);

2
net/sunrpc/auth_gss/auth_gss.c
View File

@ -122,7 +122,7 @@ gss_cred_set_ctx(struct rpc_cred *cred, struct gss_cl_ctx *ctx)
if (!test_bit(RPCAUTH_CRED_NEW, &cred->cr_flags))
return;
gss_get_ctx(ctx);
RCU_INIT_POINTER(gss_cred->gc_ctx, ctx);
rcu_assign_pointer(gss_cred->gc_ctx, ctx);
set_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags);
smp_mb__before_clear_bit();
clear_bit(RPCAUTH_CRED_NEW, &cred->cr_flags);

2
net/xfrm/xfrm_user.c
View File

@ -2927,7 +2927,7 @@ static int __net_init xfrm_user_net_init(struct net *net)
if (nlsk == NULL)
return -ENOMEM;
net->xfrm.nlsk_stash = nlsk; /* Don't set to NULL */
RCU_INIT_POINTER(net->xfrm.nlsk, nlsk);
rcu_assign_pointer(net->xfrm.nlsk, nlsk);
return 0;
}