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authorArkadi Sharshevsky <arkadis@mellanox.com>2017-06-08 08:44:12 +0200
committerDavid S. Miller <davem@davemloft.net>2017-06-08 14:16:24 -0400
commit0baa10fff2c8a8a0e3bca8fb43112ed93c179c38 (patch)
tree9ba7694bb4d36536b1a0ba8efb0658daacc7723e /net/bridge/br.c
parent3922285d96e79231817227439c214728edfbe406 (diff)
net: bridge: Add support for calling FDB external learning under rcu
This is done as a preparation to moving the switchdev notifier chain to be atomic. The FDB external learning should be called under rtnl or rcu. Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge/br.c')
-rw-r--r--net/bridge/br.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/bridge/br.c b/net/bridge/br.c
index 889e5640455f..e962fff8c0d9 100644
--- a/net/bridge/br.c
+++ b/net/bridge/br.c
@@ -121,7 +121,7 @@ static struct notifier_block br_device_notifier = {
.notifier_call = br_device_event
};
-/* called with RTNL */
+/* called with RTNL or RCU */
static int br_switchdev_event(struct notifier_block *unused,
unsigned long event, void *ptr)
{
@@ -131,7 +131,7 @@ static int br_switchdev_event(struct notifier_block *unused,
struct switchdev_notifier_fdb_info *fdb_info;
int err = NOTIFY_DONE;
- p = br_port_get_rtnl(dev);
+ p = br_port_get_rtnl_rcu(dev);
if (!p)
goto out;