diff options
Diffstat (limited to 'net/ipv4/protocol.c')
| -rw-r--r-- | net/ipv4/protocol.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/net/ipv4/protocol.c b/net/ipv4/protocol.c index 9ae5c01cd0b2..8918eff1426d 100644 --- a/net/ipv4/protocol.c +++ b/net/ipv4/protocol.c @@ -36,9 +36,7 @@ const struct net_protocol __rcu *inet_protos[MAX_INET_PROTOS] __read_mostly; int inet_add_protocol(const struct net_protocol *prot, unsigned char protocol) { - int hash = protocol & (MAX_INET_PROTOS - 1); - - return !cmpxchg((const struct net_protocol **)&inet_protos[hash], + return !cmpxchg((const struct net_protocol **)&inet_protos[protocol], NULL, prot) ? 0 : -1; } EXPORT_SYMBOL(inet_add_protocol); @@ -49,9 +47,9 @@ EXPORT_SYMBOL(inet_add_protocol); int inet_del_protocol(const struct net_protocol *prot, unsigned char protocol) { - int ret, hash = protocol & (MAX_INET_PROTOS - 1); + int ret; - ret = (cmpxchg((const struct net_protocol **)&inet_protos[hash], + ret = (cmpxchg((const struct net_protocol **)&inet_protos[protocol], prot, NULL) == prot) ? 0 : -1; synchronize_net(); |