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[NETFILTER]: nf_conntrack: properly use RCU API for nf_ct_protos/nf_ct_l3protos arrays

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Replace preempt_{enable,disable} based RCU by proper use of the
RCU API and add missing rcu_read_lock/rcu_read_unlock calls in
all paths not obviously only used within packet process context
(nfnetlink_conntrack).
  
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2007-02-12 11:12:57 -08:00 • committed by David S. Miller
parent 642d628b2c
commit 923f4902fe
6 changed files with 44 additions and 30 deletions
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2
include/net/netfilter/nf_conntrack_l3proto.h
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@ -106,7 +106,7 @@ __nf_ct_l3proto_find(u_int16_t l3proto)
{
if (unlikely(l3proto >= AF_MAX))
return &nf_conntrack_l3proto_generic;
return nf_ct_l3protos[l3proto];
return rcu_dereference(nf_ct_l3protos[l3proto]);
}
#endif /*_NF_CONNTRACK_L3PROTO_H*/