[PATCH 4.17 315/336] netdevsim: dont leak devlink resources

[Greg Kroah-Hartman]

4.17-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jakub Kicinski <jakub.kicinski@xxxxxxxxxxxxx>

[ Upstream commit c259b4fb33ee6e7667bf1d34bf0803b7c5fdbdce ]

Devlink resources registered with devlink_resource_register() have
to be unregistered.

Fixes: 37923ed6b8ce ("netdevsim: Add simple FIB resource controller via devlink")
Signed-off-by: Jakub Kicinski <jakub.kicinski@xxxxxxxxxxxxx>
Reviewed-by: Quentin Monnet <quentin.monnet@xxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/net/netdevsim/devlink.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/netdevsim/devlink.c
+++ b/drivers/net/netdevsim/devlink.c
@@ -206,6 +206,7 @@ void nsim_devlink_teardown(struct netdev
 		struct net *net = nsim_to_net(ns);
 		bool *reg_devlink = net_generic(net, nsim_devlink_id);
 
+		devlink_resources_unregister(ns->devlink, NULL);
 		devlink_unregister(ns->devlink);
 		devlink_free(ns->devlink);
 		ns->devlink = NULL;