Commit 4ead9c96 authored by Ursula Braun's avatar Ursula Braun Committed by David S. Miller

net/smc: use rcu_barrier() on module unload

Add rcu_barrier() to make sure no RCU readers or callbacks are
pending when the module is unloaded.
Signed-off-by: default avatarUrsula Braun <ubraun@linux.ibm.com>
Signed-off-by: default avatarKarsten Graul <kgraul@linux.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a33a803c
...@@ -25,6 +25,7 @@ ...@@ -25,6 +25,7 @@
#include <linux/in.h> #include <linux/in.h>
#include <linux/sched/signal.h> #include <linux/sched/signal.h>
#include <linux/if_vlan.h> #include <linux/if_vlan.h>
#include <linux/rcupdate_wait.h>
#include <net/sock.h> #include <net/sock.h>
#include <net/tcp.h> #include <net/tcp.h>
...@@ -2111,6 +2112,7 @@ static void __exit smc_exit(void) ...@@ -2111,6 +2112,7 @@ static void __exit smc_exit(void)
proto_unregister(&smc_proto); proto_unregister(&smc_proto);
smc_pnet_exit(); smc_pnet_exit();
unregister_pernet_subsys(&smc_net_ops); unregister_pernet_subsys(&smc_net_ops);
rcu_barrier();
} }
module_init(smc_init); module_init(smc_init);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment