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[NETFILTER]: ip{6}_queue: prevent unregistration race with nfnetlink_queue

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Since nfnetlink_queue can override ip{6}_queue as queue handlers, we
can no longer blindly unregister whoever is registered for PF_INET[6],
but only unregister ourselves.

Signed-off-by: Harald Welte <laforge@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Harald Welte 2005-08-09 20:20:54 -07:00 committed by David S. Miller
parent f682faefb8
commit 210a9ebef2
2 changed files with 2 additions and 2 deletions
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2
net/ipv4/netfilter/ip_queue.c
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@ -692,7 +692,7 @@ init_or_cleanup(int init)
return status;
cleanup:
nf_unregister_queue_handler(PF_INET);
nf_unregister_queue_handlers(&ipq_enqueue_packet);
synchronize_net();
ipq_flush(NF_DROP);

2
net/ipv6/netfilter/ip6_queue.c
View File

@ -687,7 +687,7 @@ init_or_cleanup(int init)
return status;
cleanup:
nf_unregister_queue_handler(PF_INET6);
nf_unregister_queue_handlers(&ipq_enqueue_packet);
synchronize_net();
ipq_flush(NF_DROP);