EXPORT_SYMBOL(lockdep_rtnl_is_held);
#endif /* #ifdef CONFIG_PROVE_LOCKING */
-static struct rtnl_link *__rcu *rtnl_msg_handlers[RTNL_FAMILY_MAX + 1];
+static struct rtnl_link __rcu *__rcu *rtnl_msg_handlers[RTNL_FAMILY_MAX + 1];
static inline int rtm_msgindex(int msgtype)
{
static struct rtnl_link *rtnl_get_link(int protocol, int msgtype)
{
- struct rtnl_link **tab;
+ struct rtnl_link __rcu **tab;
if (protocol >= ARRAY_SIZE(rtnl_msg_handlers))
protocol = PF_UNSPEC;
if (!tab)
tab = rcu_dereference_rtnl(rtnl_msg_handlers[PF_UNSPEC]);
- return tab[msgtype];
+ return rcu_dereference_rtnl(tab[msgtype]);
}
static int rtnl_register_internal(struct module *owner,
msgindex = rtm_msgindex(msgtype);
rtnl_lock();
- tab = rtnl_msg_handlers[protocol];
+ tab = rtnl_dereference(rtnl_msg_handlers[protocol]);
if (tab == NULL) {
tab = kcalloc(RTM_NR_MSGTYPES, sizeof(void *), GFP_KERNEL);
if (!tab)
*/
int rtnl_unregister(int protocol, int msgtype)
{
- struct rtnl_link **tab, *link;
+ struct rtnl_link __rcu **tab;
+ struct rtnl_link *link;
int msgindex;
BUG_ON(protocol < 0 || protocol > RTNL_FAMILY_MAX);
return -ENOENT;
}
- link = tab[msgindex];
+ link = rtnl_dereference(tab[msgindex]);
rcu_assign_pointer(tab[msgindex], NULL);
rtnl_unlock();
*/
void rtnl_unregister_all(int protocol)
{
- struct rtnl_link **tab, *link;
+ struct rtnl_link __rcu **tab;
+ struct rtnl_link *link;
int msgindex;
BUG_ON(protocol < 0 || protocol > RTNL_FAMILY_MAX);
rtnl_lock();
- tab = rtnl_msg_handlers[protocol];
+ tab = rtnl_dereference(rtnl_msg_handlers[protocol]);
if (!tab) {
rtnl_unlock();
return;
}
RCU_INIT_POINTER(rtnl_msg_handlers[protocol], NULL);
for (msgindex = 0; msgindex < RTM_NR_MSGTYPES; msgindex++) {
- link = tab[msgindex];
+ link = rtnl_dereference(tab[msgindex]);
if (!link)
continue;
s_idx = 1;
for (idx = 1; idx <= RTNL_FAMILY_MAX; idx++) {
- struct rtnl_link **tab;
+ struct rtnl_link __rcu **tab;
struct rtnl_link *link;
rtnl_dumpit_func dumpit;
if (!tab)
continue;
- link = tab[type];
+ link = rcu_dereference_rtnl(tab[type]);
if (!link)
continue;