From b4f1f61ed5928b1128e60e38d0dffa16966f06dc Mon Sep 17 00:00:00 2001
From: huhai <huhai@kylinos.cn>
Date: Thu, 23 Jun 2022 21:21:27 +0800
Subject: [PATCH] ACPI: LPSS: Fix missing check in register_device_clock()
Git-commit: b4f1f61ed5928b1128e60e38d0dffa16966f06dc
Patch-mainline: v6.0-rc1
References: git-fixes
register_device_clock() misses a check for platform_device_register_simple().
Add a check to fix it.
Signed-off-by: huhai <huhai@kylinos.cn>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/acpi/acpi_lpss.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index fbe0756259c5..c4d4d21391d7 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -422,6 +422,9 @@ static int register_device_clock(struct acpi_device *adev,
if (!lpss_clk_dev)
lpt_register_clock_device();
+ if (IS_ERR(lpss_clk_dev))
+ return PTR_ERR(lpss_clk_dev);
+
clk_data = platform_get_drvdata(lpss_clk_dev);
if (!clk_data)
return -ENODEV;
--
2.35.3