linux-kernel - [PATCH] PCI: kirin: Use devm

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Message-Id: <085fc5ac70fc8d73d5da197967e76d18f2ab5208.1699774592.git.christophe.jaillet@wanadoo.fr>
Date:   Sun, 12 Nov 2023 08:37:01 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Xiaowei Song <songxiaowei@...ilicon.com>,
        Binghui Wang <wangbinghui@...ilicon.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Rob Herring <robh@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-pci@...r.kernel.org
Subject: [PATCH] PCI: kirin: Use devm_kasprintf()

Use devm_kasprintf() instead of hand writing it.
This saves the need of an intermediate buffer.

There was also no reason to use the _const() version of devm_kstrdup().
The string was known be not constant.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/pci/controller/dwc/pcie-kirin.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/pci/controller/dwc/pcie-kirin.c b/drivers/pci/controller/dwc/pcie-kirin.c
index 2ee146767971..d9e3514de0a0 100644
--- a/drivers/pci/controller/dwc/pcie-kirin.c
+++ b/drivers/pci/controller/dwc/pcie-kirin.c
@@ -366,7 +366,6 @@ static int kirin_pcie_get_gpio_enable(struct kirin_pcie *pcie,
 				      struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	char name[32];
 	int ret, i;
 
 	/* This is an optional property */
@@ -387,9 +386,8 @@ static int kirin_pcie_get_gpio_enable(struct kirin_pcie *pcie,
 		if (pcie->gpio_id_clkreq[i] < 0)
 			return pcie->gpio_id_clkreq[i];
 
-		sprintf(name, "pcie_clkreq_%d", i);
-		pcie->clkreq_names[i] = devm_kstrdup_const(dev, name,
-							    GFP_KERNEL);
+		pcie->clkreq_names[i] = devm_kasprintf(dev, GFP_KERNEL,
+						       "pcie_clkreq_%d", i);
 		if (!pcie->clkreq_names[i])
 			return -ENOMEM;
 	}
-- 
2.34.1