linux-kernel - [PATCH -next] ptp: ocp: Fix missing pci_disable_device() on error in ptp_ocp

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Date:   Tue, 10 Aug 2021 20:54:53 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>
CC:     <richardcochran@...il.com>, <davem@...emloft.net>
Subject: [PATCH -next] ptp: ocp: Fix missing pci_disable_device() on error in ptp_ocp_probe()

If ptp_ocp_device_init() fails, pci_disable_device() need be
called, fix this by using pcim_enable_device().

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
---
 drivers/ptp/ptp_ocp.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/ptp/ptp_ocp.c b/drivers/ptp/ptp_ocp.c
index 92edf772feed..04cce8d3b1f6 100644
--- a/drivers/ptp/ptp_ocp.c
+++ b/drivers/ptp/ptp_ocp.c
@@ -1429,7 +1429,7 @@ ptp_ocp_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	if (err)
 		goto out_free;
 
-	err = pci_enable_device(pdev);
+	err = pcim_enable_device(pdev);
 	if (err) {
 		dev_err(&pdev->dev, "pci_enable_device\n");
 		goto out_unregister;
@@ -1476,7 +1476,6 @@ ptp_ocp_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 out:
 	ptp_ocp_detach(bp);
-	pci_disable_device(pdev);
 	pci_set_drvdata(pdev, NULL);
 out_unregister:
 	devlink_unregister(devlink);
@@ -1493,7 +1492,6 @@ ptp_ocp_remove(struct pci_dev *pdev)
 	struct devlink *devlink = priv_to_devlink(bp);
 
 	ptp_ocp_detach(bp);
-	pci_disable_device(pdev);
 	pci_set_drvdata(pdev, NULL);
 
 	devlink_unregister(devlink);
-- 
2.25.1