linux-kernel - [PATCH] i2c-pxa2xx: fix missing pci_disable_device() on error in ce4100_i2c

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Message-ID: <20221114092540.247891-1-tanghui20@huawei.com>
Date:   Mon, 14 Nov 2022 17:25:40 +0800
From:   Hui Tang <tanghui20@...wei.com>
To:     <linux-i2c@...r.kernel.org>, <linux@...ck-us.net>,
        <bence98@....bme.hu>
CC:     <linux-kernel@...r.kernel.org>, <weiyongjun1@...wei.com>,
        <yusongping@...wei.com>
Subject: [PATCH] i2c-pxa2xx: fix missing pci_disable_device() on error in ce4100_i2c_probe

Using pcim_enable_device() to avoid missing pci_disable_device().

Fixes: 7e94dd154e934 ("i2c-pxa2xx: Add PCI support for PXA I2C controller")
Signed-off-by: Hui Tang <tanghui20@...wei.com>
---
 drivers/i2c/busses/i2c-pxa-pci.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/i2c/busses/i2c-pxa-pci.c b/drivers/i2c/busses/i2c-pxa-pci.c
index f614cade432b..30e38bc8b6db 100644
--- a/drivers/i2c/busses/i2c-pxa-pci.c
+++ b/drivers/i2c/busses/i2c-pxa-pci.c
@@ -105,7 +105,7 @@ static int ce4100_i2c_probe(struct pci_dev *dev,
 	int i;
 	struct ce4100_devices *sds;
 
-	ret = pci_enable_device_mem(dev);
+	ret = pcim_enable_device(dev);
 	if (ret)
 		return ret;
 
@@ -114,10 +114,8 @@ static int ce4100_i2c_probe(struct pci_dev *dev,
 		return -EINVAL;
 	}
 	sds = kzalloc(sizeof(*sds), GFP_KERNEL);
-	if (!sds) {
-		ret = -ENOMEM;
-		goto err_mem;
-	}
+	if (!sds)
+		return -ENOMEM;
 
 	for (i = 0; i < ARRAY_SIZE(sds->pdev); i++) {
 		sds->pdev[i] = add_i2c_device(dev, i);
@@ -133,8 +131,6 @@ static int ce4100_i2c_probe(struct pci_dev *dev,
 
 err_dev_add:
 	kfree(sds);
-err_mem:
-	pci_disable_device(dev);
 	return ret;
 }
 
-- 
2.17.1