linux-kernel - [PATCH] PCI: stm32: Re-use existing error handling path in stm32_pcie

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Message-ID: <e69ade3edcec4da2d5bfc66e0d03bbcb5a857021.1759169956.git.christophe.jaillet@wanadoo.fr>
Date: Mon, 29 Sep 2025 20:19:30 +0200
From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
To: Christian Bruel <christian.bruel@...s.st.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kwilczynski@...nel.org>,
	Manivannan Sadhasivam <mani@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>
Cc: linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>,
	linux-pci@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH] PCI: stm32: Re-use existing error handling path in stm32_pcie_probe()

An error handling path is already available, so use it instead of hand
writing the same code.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/pci/controller/dwc/pcie-stm32.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/pci/controller/dwc/pcie-stm32.c b/drivers/pci/controller/dwc/pcie-stm32.c
index 964fa6f674c8..96a5fb893af4 100644
--- a/drivers/pci/controller/dwc/pcie-stm32.c
+++ b/drivers/pci/controller/dwc/pcie-stm32.c
@@ -287,18 +287,16 @@ static int stm32_pcie_probe(struct platform_device *pdev)
 
 	ret = pm_runtime_set_active(dev);
 	if (ret < 0) {
-		clk_disable_unprepare(stm32_pcie->clk);
-		stm32_remove_pcie_port(stm32_pcie);
-		return dev_err_probe(dev, ret, "Failed to activate runtime PM\n");
+		dev_err_probe(dev, ret, "Failed to activate runtime PM\n");
+		goto err_disable_clk;
 	}
 
 	pm_runtime_no_callbacks(dev);
 
 	ret = devm_pm_runtime_enable(dev);
 	if (ret < 0) {
-		clk_disable_unprepare(stm32_pcie->clk);
-		stm32_remove_pcie_port(stm32_pcie);
-		return dev_err_probe(dev, ret, "Failed to enable runtime PM\n");
+		dev_err_probe(dev, ret, "Failed to enable runtime PM\n");
+		goto err_disable_clk;
 	}
 
 	ret = dw_pcie_host_init(&stm32_pcie->pci.pp);
-- 
2.51.0