[PATCH 06/10] ipv6: Use rcu_barrier() on module unload.
From: Jesper Dangaard Brouer <hidden>
Date: 2009-06-23 15:30:47
Also in:
linux-ext4, linux-nfs, linux-wireless, lkml, netfilter-devel
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
The ipv6 module uses rcu_call() thus it should use rcu_barrier() on module unload. --- net/ipv6/af_inet6.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 85b3d00..caa0278 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c@@ -1284,6 +1284,8 @@ static void __exit inet6_exit(void) proto_unregister(&udplitev6_prot); proto_unregister(&udpv6_prot); proto_unregister(&tcpv6_prot); + + rcu_barrier(); /* Wait for completion of call_rcu()'s */ } module_exit(inet6_exit); --
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