openwrt/target/linux/mediatek/patches-6.1/830-v6.4-43-thermal-drivers-mediatek-lvts_thermal-Fix-error-chec.patch

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From fb1bbb5b63e4e3c788a978724749ced57d208054 Mon Sep 17 00:00:00 2001
From: Minjie Du <duminjie@vivo.com>
Date: Thu, 21 Sep 2023 17:10:50 +0800
Subject: [PATCH 38/42] thermal/drivers/mediatek/lvts_thermal: Fix error check
in lvts_debugfs_init()
debugfs_create_dir() function returns an error value embedded in
the pointer (PTR_ERR). Evaluate the return value using IS_ERR
rather than checking for NULL.
Signed-off-by: Minjie Du <duminjie@vivo.com>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230921091057.3812-1-duminjie@vivo.com
---
drivers/thermal/mediatek/lvts_thermal.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/thermal/mediatek/lvts_thermal.c
+++ b/drivers/thermal/mediatek/lvts_thermal.c
@@ -219,7 +219,7 @@ static int lvts_debugfs_init(struct devi
sprintf(name, "controller%d", i);
dentry = debugfs_create_dir(name, lvts_td->dom_dentry);
- if (!dentry)
+ if (IS_ERR(dentry))
continue;
regset = devm_kzalloc(dev, sizeof(*regset), GFP_KERNEL);