#include <linux/spinlock.h>
#include <net/protocol.h>
-const struct inet6_protocol *inet6_protos[MAX_INET_PROTOS] __read_mostly;
+const struct inet6_protocol __rcu *inet6_protos[MAX_INET_PROTOS] __read_mostly;
int inet6_add_protocol(const struct inet6_protocol *prot, unsigned char protocol)
{
- int hash = protocol & (MAX_INET_PROTOS - 1);
-
- return !cmpxchg(&inet6_protos[hash], NULL, prot) ? 0 : -1;
+ return !cmpxchg((const struct inet6_protocol **)&inet6_protos[protocol],
+ NULL, prot) ? 0 : -1;
}
EXPORT_SYMBOL(inet6_add_protocol);
int inet6_del_protocol(const struct inet6_protocol *prot, unsigned char protocol)
{
- int ret, hash = protocol & (MAX_INET_PROTOS - 1);
+ int ret;
- ret = (cmpxchg(&inet6_protos[hash], prot, NULL) == prot) ? 0 : -1;
+ ret = (cmpxchg((const struct inet6_protocol **)&inet6_protos[protocol],
+ prot, NULL) == prot) ? 0 : -1;
synchronize_net();