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authorIngo Molnar <mingo@kernel.org>2016-06-14 11:04:13 +0200
committerIngo Molnar <mingo@kernel.org>2016-06-14 11:04:13 +0200
commit07f9f22087a94e8162f77ee997c52a23f158aee8 (patch)
tree04bfe0395c6aa95bae5c6983c3433d9ac8eb7731 /net/netfilter/nf_queue.c
parent03c041c5bf6ed584dff36b7cd509e0146a124277 (diff)
parentb7fa30c9cc48c4f55663420472505d3b4f6e1705 (diff)
Merge branch 'sched/urgent' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/netfilter/nf_queue.c')
-rw-r--r--net/netfilter/nf_queue.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c
index 5baa8e24e6ac..b19ad20a705c 100644
--- a/net/netfilter/nf_queue.c
+++ b/net/netfilter/nf_queue.c
@@ -26,23 +26,21 @@
* Once the queue is registered it must reinject all packets it
* receives, no matter what.
*/
-static const struct nf_queue_handler __rcu *queue_handler __read_mostly;
/* return EBUSY when somebody else is registered, return EEXIST if the
* same handler is registered, return 0 in case of success. */
-void nf_register_queue_handler(const struct nf_queue_handler *qh)
+void nf_register_queue_handler(struct net *net, const struct nf_queue_handler *qh)
{
/* should never happen, we only have one queueing backend in kernel */
- WARN_ON(rcu_access_pointer(queue_handler));
- rcu_assign_pointer(queue_handler, qh);
+ WARN_ON(rcu_access_pointer(net->nf.queue_handler));
+ rcu_assign_pointer(net->nf.queue_handler, qh);
}
EXPORT_SYMBOL(nf_register_queue_handler);
/* The caller must flush their queue before this */
-void nf_unregister_queue_handler(void)
+void nf_unregister_queue_handler(struct net *net)
{
- RCU_INIT_POINTER(queue_handler, NULL);
- synchronize_rcu();
+ RCU_INIT_POINTER(net->nf.queue_handler, NULL);
}
EXPORT_SYMBOL(nf_unregister_queue_handler);
@@ -103,7 +101,7 @@ void nf_queue_nf_hook_drop(struct net *net, struct nf_hook_ops *ops)
const struct nf_queue_handler *qh;
rcu_read_lock();
- qh = rcu_dereference(queue_handler);
+ qh = rcu_dereference(net->nf.queue_handler);
if (qh)
qh->nf_hook_drop(net, ops);
rcu_read_unlock();
@@ -122,9 +120,10 @@ int nf_queue(struct sk_buff *skb,
struct nf_queue_entry *entry = NULL;
const struct nf_afinfo *afinfo;
const struct nf_queue_handler *qh;
+ struct net *net = state->net;
/* QUEUE == DROP if no one is waiting, to be safe. */
- qh = rcu_dereference(queue_handler);
+ qh = rcu_dereference(net->nf.queue_handler);
if (!qh) {
status = -ESRCH;
goto err;