netdev - [PATCH net-next v1 20/21] staging: qlge: Move devlink registration to be last devlink command

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Message-Id: <87eb1893ae465eb0ec1ed726c9ca078edc8298ac.1632565508.git.leonro@nvidia.com>
Date:   Sat, 25 Sep 2021 14:23:00 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     Leon Romanovsky <leonro@...dia.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Andrew Lunn <andrew@...n.ch>, Ariel Elior <aelior@...vell.com>,
        Bin Luo <luobin9@...wei.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Coiby Xu <coiby.xu@...il.com>,
        Derek Chickles <dchickles@...vell.com>, drivers@...sando.io,
        Felix Manlunas <fmanlunas@...vell.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Geetha sowjanya <gakula@...vell.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        GR-everest-linux-l2@...vell.com, GR-Linux-NIC-Dev@...vell.com,
        hariprasad <hkelam@...vell.com>,
        Ido Schimmel <idosch@...dia.com>,
        Intel Corporation <linuxwwan@...el.com>,
        intel-wired-lan@...ts.osuosl.org,
        Ioana Ciornei <ioana.ciornei@....com>,
        Jerin Jacob <jerinj@...vell.com>,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Jiri Pirko <jiri@...dia.com>,
        Jonathan Lemon <jonathan.lemon@...il.com>,
        Linu Cherian <lcherian@...vell.com>,
        linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
        linux-rdma@...r.kernel.org, linux-staging@...ts.linux.dev,
        Loic Poulain <loic.poulain@...aro.org>,
        Manish Chopra <manishc@...vell.com>,
        M Chetan Kumar <m.chetan.kumar@...el.com>,
        Michael Chan <michael.chan@...adcom.com>,
        Michael Guralnik <michaelgur@...lanox.com>,
        netdev@...r.kernel.org, oss-drivers@...igine.com,
        Richard Cochran <richardcochran@...il.com>,
        Saeed Mahameed <saeedm@...dia.com>,
        Satanand Burla <sburla@...vell.com>,
        Sergey Ryazanov <ryazanov.s.a@...il.com>,
        Shannon Nelson <snelson@...sando.io>,
        Simon Horman <simon.horman@...igine.com>,
        Subbaraya Sundeep <sbhatta@...vell.com>,
        Sunil Goutham <sgoutham@...vell.com>,
        Taras Chornyi <tchornyi@...vell.com>,
        Tariq Toukan <tariqt@...dia.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>,
        UNGLinuxDriver@...rochip.com, Vadym Kochan <vkochan@...vell.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Vladimir Oltean <vladimir.oltean@....com>
Subject: [PATCH net-next v1 20/21] staging: qlge: Move devlink registration to be last devlink command

From: Leon Romanovsky <leonro@...dia.com>

This change prevents from users to access device before devlink is
fully configured.

Signed-off-by: Leon Romanovsky <leonro@...dia.com>
---
 drivers/staging/qlge/qlge_main.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c
index 33539f6c254d..1dc849378a0f 100644
--- a/drivers/staging/qlge/qlge_main.c
+++ b/drivers/staging/qlge/qlge_main.c
@@ -4614,10 +4614,9 @@ static int qlge_probe(struct pci_dev *pdev,
 		goto netdev_free;
 	}
 
-	devlink_register(devlink);
 	err = qlge_health_create_reporters(qdev);
 	if (err)
-		goto devlink_unregister;
+		goto netdev_free;
 
 	/* Start up the timer to trigger EEH if
 	 * the bus goes dead
@@ -4628,10 +4627,9 @@ static int qlge_probe(struct pci_dev *pdev,
 	qlge_display_dev_info(ndev);
 	atomic_set(&qdev->lb_count, 0);
 	cards_found++;
+	devlink_register(devlink);
 	return 0;
 
-devlink_unregister:
-	devlink_unregister(devlink);
 netdev_free:
 	free_netdev(ndev);
 devlink_free:
@@ -4656,13 +4654,13 @@ static void qlge_remove(struct pci_dev *pdev)
 	struct net_device *ndev = qdev->ndev;
 	struct devlink *devlink = priv_to_devlink(qdev);
 
+	devlink_unregister(devlink);
 	del_timer_sync(&qdev->timer);
 	qlge_cancel_all_work_sync(qdev);
 	unregister_netdev(ndev);
 	qlge_release_all(pdev);
 	pci_disable_device(pdev);
 	devlink_health_reporter_destroy(qdev->reporter);
-	devlink_unregister(devlink);
 	devlink_free(devlink);
 	free_netdev(ndev);
 }
-- 
2.31.1