[PATCH 4/5] ipv6: Use rcu_barrier() on module unload.
From: Jesper Dangaard Brouer <hidden>
Date: 2009-06-26 20:46:01
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. Acked-by: Paul E. McKenney <redacted> Signed-off-by: Jesper Dangaard Brouer <redacted> --- 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);