From 0c68ed5273fdf1c551a5b5e3835fc07bcdc0258f Mon Sep 17 00:00:00 2001 From: Zhang Enpei Date: Mon, 30 Jun 2025 17:58:44 +0800 Subject: [PATCH] thermal/drivers/mediatek/lvts_thermal: Check NULL ptr on lvts_data commit 79ef1a5593fdb8aa4dbccf6085c48f1739338bc9 upstream. [ Upstream commit a1191a77351e25ddf091bb1a231cae12ee598b5d ] Verify that lvts_data is not NULL before using it. Signed-off-by: Julien Panis Signed-off-by: Daniel Lezcano Link: https://lore.kernel.org/r/20240502-mtk-thermal-lvts-data-v1-1-65f1b0bfad37@baylibre.com Signed-off-by: Sasha Levin Fixes: CVE-2024-42144 Signed-off-by: Enpei Zhang Signed-off-by: Wenya Zhang Reviewed-by: Xuexin Jiang --- drivers/thermal/mediatek/lvts_thermal.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c index a4e56017dda3..4b7a85b79c29 100644 --- a/drivers/thermal/mediatek/lvts_thermal.c +++ b/drivers/thermal/mediatek/lvts_thermal.c @@ -1204,6 +1204,8 @@ static int lvts_probe(struct platform_device *pdev) return -ENOMEM; lvts_data = of_device_get_match_data(dev); + if (!lvts_data) + return -ENODEV; lvts_td->clk = devm_clk_get_enabled(dev, NULL); if (IS_ERR(lvts_td->clk)) -- Gitee