linux-kernel - [PATCH v1 2/3] pwm: dwc: simplify error handling

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Date: Mon, 22 Jan 2024 08:32:37 +0530
From: Raag Jadav <raag.jadav@...el.com>
To: u.kleine-koenig@...gutronix.de,
	jarkko.nikula@...ux.intel.com,
	mika.westerberg@...ux.intel.com,
	andriy.shevchenko@...ux.intel.com,
	lakshmi.sowjanya.d@...el.com
Cc: linux-pwm@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Raag Jadav <raag.jadav@...el.com>
Subject: [PATCH v1 2/3] pwm: dwc: simplify error handling

Simplify error handling in ->probe() function using dev_err_probe() helper.

Signed-off-by: Raag Jadav <raag.jadav@...el.com>
---
 drivers/pwm/pwm-dwc.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/pwm/pwm-dwc.c b/drivers/pwm/pwm-dwc.c
index fd64313cb38d..8f8035b047c1 100644
--- a/drivers/pwm/pwm-dwc.c
+++ b/drivers/pwm/pwm-dwc.c
@@ -68,24 +68,18 @@ static int dwc_pwm_probe(struct pci_dev *pci, const struct pci_device_id *id)
 	int ret;
 
 	ret = pcim_enable_device(pci);
-	if (ret) {
-		dev_err(dev, "Failed to enable device (%pe)\n", ERR_PTR(ret));
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to enable device (%pe)\n", ERR_PTR(ret));
 
 	pci_set_master(pci);
 
 	ret = pcim_iomap_regions(pci, BIT(0), pci_name(pci));
-	if (ret) {
-		dev_err(dev, "Failed to iomap PCI BAR (%pe)\n", ERR_PTR(ret));
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to iomap PCI BAR (%pe)\n", ERR_PTR(ret));
 
 	base = pcim_iomap_table(pci)[0];
-	if (!base) {
-		dev_err(dev, "Base address missing\n");
-		return -ENOMEM;
-	}
+	if (!base)
+		return dev_err_probe(dev, -ENOMEM, "Base address missing\n");
 
 	info = (const struct dwc_pwm_info *)id->driver_data;
 	ret = dwc_pwm_init(dev, info, base);
-- 
2.35.3