diff options
Diffstat (limited to 'net/ipv6/protocol.c')
| -rw-r--r-- | net/ipv6/protocol.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/net/ipv6/protocol.c b/net/ipv6/protocol.c index 9a7978fdc02..053082dfc93 100644 --- a/net/ipv6/protocol.c +++ b/net/ipv6/protocol.c @@ -29,9 +29,7 @@ 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((const struct inet6_protocol **)&inet6_protos[hash], + return !cmpxchg((const struct inet6_protocol **)&inet6_protos[protocol], NULL, prot) ? 0 : -1; } EXPORT_SYMBOL(inet6_add_protocol); @@ -42,9 +40,9 @@ 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((const struct inet6_protocol **)&inet6_protos[hash], + ret = (cmpxchg((const struct inet6_protocol **)&inet6_protos[protocol], prot, NULL) == prot) ? 0 : -1; synchronize_net(); |