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net: add __rcu annotation to sk_filter

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Add __rcu annotation to :
        (struct sock)->sk_filter

And use appropriate rcu primitives to reduce sparse warnings if
CONFIG_SPARSE_RCU_POINTER=y

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2010-10-25 03:47:05 +00:00
committed by David S. Miller
parent 1c87733d06
commit 0d7da9ddd9
6 changed files with 7 additions and 7 deletions
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2
net/core/sock.c
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@@ -1225,7 +1225,7 @@ struct sock *sk_clone(const struct sock *sk, const gfp_t priority)
sock_reset_flag(newsk, SOCK_DONE);
skb_queue_head_init(&newsk->sk_error_queue);
filter = newsk->sk_filter;
filter = rcu_dereference_protected(newsk->sk_filter, 1);
if (filter != NULL)
sk_filter_charge(newsk, filter);