| Message ID | 20250410110421.77580-1-hanchunchao@inspur.com |
|---|---|
| State | New |
| Headers | show |
| Series | interconnect: samsung: Add NULL check in exynos_generic_icc_probe | expand |
diff --git a/drivers/interconnect/samsung/exynos.c b/drivers/interconnect/samsung/exynos.c index 9e041365d909..f3568f0d92d1 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) { + devm_kfree(&pdev->dev, priv); + 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;
devm_kasprintf() can return a NULL pointer on failure,but this returned value in exynos_generic_icc_probe() is not checked. Add NULL check in exynos_generic_icc_probe(), to handle kernel NULL pointer dereference error. Fixes: 2f95b9d5cf0b ("interconnect: Add generic interconnect driver for Exynos SoCs") Signed-off-by: Charles Han <hanchunchao@inspur.com> --- drivers/interconnect/samsung/exynos.c | 5 +++++ 1 file changed, 5 insertions(+)