diff options
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/icmp.c | 7 | ||||
| -rw-r--r-- | net/ipv6/ip6_input.c | 9 | ||||
| -rw-r--r-- | net/ipv6/protocol.c | 8 | ||||
| -rw-r--r-- | net/ipv6/raw.c | 4 |
4 files changed, 10 insertions, 18 deletions
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index 5247d5c211f9..c7da1422cbde 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -600,9 +600,8 @@ static void icmpv6_notify(struct sk_buff *skb, u8 type, u8 code, __be32 info) { const struct inet6_protocol *ipprot; int inner_offset; - int hash; - u8 nexthdr; __be16 frag_off; + u8 nexthdr; if (!pskb_may_pull(skb, sizeof(struct ipv6hdr))) return; @@ -629,10 +628,8 @@ static void icmpv6_notify(struct sk_buff *skb, u8 type, u8 code, __be32 info) --ANK (980726) */ - hash = nexthdr & (MAX_INET_PROTOS - 1); - rcu_read_lock(); - ipprot = rcu_dereference(inet6_protos[hash]); + ipprot = rcu_dereference(inet6_protos[nexthdr]); if (ipprot && ipprot->err_handler) ipprot->err_handler(skb, NULL, type, code, inner_offset, info); rcu_read_unlock(); diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index 21a15dfe4a9e..5ab923e51af3 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -168,13 +168,12 @@ drop: static int ip6_input_finish(struct sk_buff *skb) { + struct net *net = dev_net(skb_dst(skb)->dev); const struct inet6_protocol *ipprot; + struct inet6_dev *idev; unsigned int nhoff; int nexthdr; bool raw; - u8 hash; - struct inet6_dev *idev; - struct net *net = dev_net(skb_dst(skb)->dev); /* * Parse extension headers @@ -189,9 +188,7 @@ resubmit: nexthdr = skb_network_header(skb)[nhoff]; raw = raw6_local_deliver(skb, nexthdr); - - hash = nexthdr & (MAX_INET_PROTOS - 1); - if ((ipprot = rcu_dereference(inet6_protos[hash])) != NULL) { + if ((ipprot = rcu_dereference(inet6_protos[nexthdr])) != NULL) { int ret; if (ipprot->flags & INET6_PROTO_FINAL) { diff --git a/net/ipv6/protocol.c b/net/ipv6/protocol.c index 9a7978fdc02a..053082dfc93e 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(); diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index 43b0042f15f4..b5c1dcb27737 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -165,7 +165,7 @@ static bool ipv6_raw_deliver(struct sk_buff *skb, int nexthdr) saddr = &ipv6_hdr(skb)->saddr; daddr = saddr + 1; - hash = nexthdr & (MAX_INET_PROTOS - 1); + hash = nexthdr & (RAW_HTABLE_SIZE - 1); read_lock(&raw_v6_hashinfo.lock); sk = sk_head(&raw_v6_hashinfo.ht[hash]); @@ -229,7 +229,7 @@ bool raw6_local_deliver(struct sk_buff *skb, int nexthdr) { struct sock *raw_sk; - raw_sk = sk_head(&raw_v6_hashinfo.ht[nexthdr & (MAX_INET_PROTOS - 1)]); + raw_sk = sk_head(&raw_v6_hashinfo.ht[nexthdr & (RAW_HTABLE_SIZE - 1)]); if (raw_sk && !ipv6_raw_deliver(skb, nexthdr)) raw_sk = NULL; |