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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2011-01-20 10:37:53 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-01-21 03:59:34 +0300 |
| commit | f2eda47df46f9953fc8a4fec820f34d539a8efbb (patch) | |
| tree | 3f4a745c93f44a0375d85c96b284bff5d3b4e640 /net | |
| parent | 6193d2be290990b789021e06fa770ecb45319f2d (diff) | |
| download | linux-f2eda47df46f9953fc8a4fec820f34d539a8efbb.tar.xz | |
ipv6: raw: rcu annotations
Remove sparse warnings, using a function typedef to be able to use __rcu
annotation on mh_filter pointer.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv6/raw.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index 86c39526ba5e..2bc6cd7bb8ec 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -123,18 +123,18 @@ static __inline__ int icmpv6_filter(struct sock *sk, struct sk_buff *skb) } #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE) -static int (*mh_filter)(struct sock *sock, struct sk_buff *skb); +typedef int mh_filter_t(struct sock *sock, struct sk_buff *skb); -int rawv6_mh_filter_register(int (*filter)(struct sock *sock, - struct sk_buff *skb)) +static mh_filter_t __rcu *mh_filter __read_mostly; + +int rawv6_mh_filter_register(mh_filter_t filter) { rcu_assign_pointer(mh_filter, filter); return 0; } EXPORT_SYMBOL(rawv6_mh_filter_register); -int rawv6_mh_filter_unregister(int (*filter)(struct sock *sock, - struct sk_buff *skb)) +int rawv6_mh_filter_unregister(mh_filter_t filter) { rcu_assign_pointer(mh_filter, NULL); synchronize_rcu(); @@ -192,10 +192,10 @@ static int ipv6_raw_deliver(struct sk_buff *skb, int nexthdr) * policy is placed in rawv6_rcv() because it is * required for each socket. */ - int (*filter)(struct sock *sock, struct sk_buff *skb); + mh_filter_t *filter; filter = rcu_dereference(mh_filter); - filtered = filter ? filter(sk, skb) : 0; + filtered = filter ? (*filter)(sk, skb) : 0; break; } #endif |