netdev - [RFC net-next 10/10] netdevsim: register devlink instance before sub-objects

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Date:   Fri, 16 Dec 2022 17:19:53 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     jiri@...nulli.us, jacob.e.keller@...el.com, leon@...nel.org
Cc:     netdev@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>
Subject: [RFC net-next 10/10] netdevsim: register devlink instance before sub-objects

Move the devlink instance registration up so that all the sub-object
manipulation happens on a valid instance.

Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
 drivers/net/netdevsim/dev.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c
index c9952a34c39a..738784fda117 100644
--- a/drivers/net/netdevsim/dev.c
+++ b/drivers/net/netdevsim/dev.c
@@ -1556,23 +1556,23 @@ int nsim_drv_probe(struct nsim_bus_dev *nsim_bus_dev)
 		goto err_devlink_unlock;
 	}
 
-	err = nsim_dev_resources_register(devlink);
+	err = devl_register(devlink);
 	if (err)
 		goto err_vfc_free;
 
+	err = nsim_dev_resources_register(devlink);
+	if (err)
+		goto err_dl_unregister;
+
 	err = devlink_params_register(devlink, nsim_devlink_params,
 				      ARRAY_SIZE(nsim_devlink_params));
 	if (err)
 		goto err_resource_unregister;
 	nsim_devlink_set_params_init_values(nsim_dev, devlink);
 
-	err = devl_register(devlink);
-	if (err)
-		goto err_params_unregister;
-
 	err = nsim_dev_dummy_region_init(nsim_dev, devlink);
 	if (err)
-		goto err_dl_unregister;
+		goto err_params_unregister;
 
 	err = nsim_dev_traps_init(devlink);
 	if (err)
@@ -1629,13 +1629,13 @@ int nsim_drv_probe(struct nsim_bus_dev *nsim_bus_dev)
 	nsim_dev_traps_exit(devlink);
 err_dummy_region_exit:
 	nsim_dev_dummy_region_exit(nsim_dev);
-err_dl_unregister:
-	devl_unregister(devlink);
 err_params_unregister:
 	devlink_params_unregister(devlink, nsim_devlink_params,
 				  ARRAY_SIZE(nsim_devlink_params));
 err_resource_unregister:
 	devl_resources_unregister(devlink);
+err_dl_unregister:
+	devl_unregister(devlink);
 err_vfc_free:
 	kfree(nsim_dev->vfconfigs);
 err_devlink_unlock:
@@ -1678,10 +1678,10 @@ void nsim_drv_remove(struct nsim_bus_dev *nsim_bus_dev)
 
 	nsim_bpf_dev_exit(nsim_dev);
 	nsim_dev_debugfs_exit(nsim_dev);
-	devl_unregister(devlink);
 	devlink_params_unregister(devlink, nsim_devlink_params,
 				  ARRAY_SIZE(nsim_devlink_params));
 	devl_resources_unregister(devlink);
+	devl_unregister(devlink);
 	kfree(nsim_dev->vfconfigs);
 	kfree(nsim_dev->fa_cookie);
 	devl_unlock(devlink);
-- 
2.38.1