[PATCH v2 14/23] interconnect: exynos: fix node leak in probe PM QoS error path
From: Johan Hovold <johan+linaro@kernel.org>
Date: 2023-03-06 07:58:29
Also in:
linux-arm-msm, linux-pm, linux-samsung-soc, linux-tegra, lkml, stable
Subsystem:
interconnect api, samsung interconnect drivers, the rest · Maintainers:
Georgi Djakov, Sylwester Nawrocki, Artur Świgoń, Linus Torvalds
Make sure to add the newly allocated interconnect node to the provider
before adding the PM QoS request so that the node is freed on errors.
Fixes: 2f95b9d5cf0b ("interconnect: Add generic interconnect driver for Exynos SoCs")
Cc: stable@vger.kernel.org # 5.11
Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Krzysztof Kozlowski <redacted>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---
drivers/interconnect/samsung/exynos.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/interconnect/samsung/exynos.c b/drivers/interconnect/samsung/exynos.c
index 6559d8cf8068..e70665899482 100644
--- a/drivers/interconnect/samsung/exynos.c
+++ b/drivers/interconnect/samsung/exynos.c@@ -149,6 +149,9 @@ static int exynos_generic_icc_probe(struct platform_device *pdev) &priv->bus_clk_ratio)) priv->bus_clk_ratio = EXYNOS_ICC_DEFAULT_BUS_CLK_RATIO; + icc_node->data = priv; + icc_node_add(icc_node, provider); + /* * Register a PM QoS request for the parent (devfreq) device. */
@@ -157,9 +160,6 @@ static int exynos_generic_icc_probe(struct platform_device *pdev) if (ret < 0) goto err_node_del; - icc_node->data = priv; - icc_node_add(icc_node, provider); - icc_parent_node = exynos_icc_get_parent(bus_dev->of_node); if (IS_ERR(icc_parent_node)) { ret = PTR_ERR(icc_parent_node);
--
2.39.2
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