Commit eaa184a1 authored Jun 08, 2009 by Jesper Dangaard Brouer Committed by David S. Miller Jun 10, 2009

sctp: protocol.c call rcu_barrier() on unload.



On module unload call rcu_barrier(), this is needed as synchronize_rcu()
is not strong enough.  The kmem_cache_destroy() does invoke
synchronize_rcu() but it does not provide same protection.

Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk>
Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 382bfeec

net/sctp/protocol.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1370,6 +1370,8 @@ SCTP_STATIC __exit void sctp_exit(void)
		sctp_proc_exit();
		cleanup_sctp_mibs();

		rcu_barrier(); /* Wait for completion of call_rcu()'s */

		kmem_cache_destroy(sctp_chunk_cachep);
		kmem_cache_destroy(sctp_bucket_cachep);
		}