linux-kernel - [PATCH] interconnect: exynos: handle node name allocation failure

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Message-ID: <20250623142437.23068-1-johan+linaro@kernel.org>
Date: Mon, 23 Jun 2025 16:24:37 +0200
From: Johan Hovold <johan+linaro@...nel.org>
To: Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Artur Świgoń <a.swigon@...sung.com>,
	Georgi Djakov <djakov@...nel.org>
Cc: Krzysztof Kozlowski <krzk@...nel.org>,
	Alim Akhtar <alim.akhtar@...sung.com>,
	linux-pm@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Johan Hovold <johan+linaro@...nel.org>
Subject: [PATCH] interconnect: exynos: handle node name allocation failure

Add the missing error handling in case node name allocation ever fails.

Fixes: 2f95b9d5cf0b ("interconnect: Add generic interconnect driver for Exynos SoCs")
Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
 drivers/interconnect/samsung/exynos.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/interconnect/samsung/exynos.c b/drivers/interconnect/samsung/exynos.c
index 9e041365d909..8e8f56186a36 100644
--- a/drivers/interconnect/samsung/exynos.c
+++ b/drivers/interconnect/samsung/exynos.c
@@ -134,6 +134,11 @@ static int exynos_generic_icc_probe(struct platform_device *pdev)
 	priv->node = icc_node;
 	icc_node->name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%pOFn",
 					bus_dev->of_node);
+	if (!icc_node->name) {
+		icc_node_destroy(pdev->id);
+		return -ENOMEM;
+	}
+
 	if (of_property_read_u32(bus_dev->of_node, "samsung,data-clock-ratio",
 				 &priv->bus_clk_ratio))
 		priv->bus_clk_ratio = EXYNOS_ICC_DEFAULT_BUS_CLK_RATIO;
-- 
2.49.0