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

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Date:   Wed,  1 Aug 2018 18:50:50 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Quentin Monnet <quentin.monnet@...ronome.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 4.17 315/336] netdevsim: dont leak devlink resources

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

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

From: Jakub Kicinski <jakub.kicinski@...ronome.com>

[ 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@...ronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@...ronome.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 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;