From: Ursula Braun <ubraun@xxxxxxxxxxxxx> Add rcu_barrier() to make sure no RCU readers or callbacks are pending when the module is unloaded. Signed-off-by: Ursula Braun <ubraun@xxxxxxxxxxxxx> Signed-off-by: Karsten Graul <kgraul@xxxxxxxxxxxxx> --- net/smc/af_smc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c index 42b7fb8ab22b..cde4dc0ed173 100644 --- a/net/smc/af_smc.c +++ b/net/smc/af_smc.c @@ -25,6 +25,7 @@ #include <linux/in.h> #include <linux/sched/signal.h> #include <linux/if_vlan.h> +#include <linux/rcupdate_wait.h> #include <net/sock.h> #include <net/tcp.h> @@ -2111,6 +2112,7 @@ static void __exit smc_exit(void) proto_unregister(&smc_proto); smc_pnet_exit(); unregister_pernet_subsys(&smc_net_ops); + rcu_barrier(); } module_init(smc_init); -- 2.17.1
