* [PATCH AUTOSEL 4.9 5/8] ACPI: LPSS: Fix missing check in register_device_clock()
[not found] <20220808014005.317064-1-sashal@kernel.org>
@ 2022-08-08 1:40 ` Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2022-08-08 1:40 UTC (permalink / raw)
To: linux-kernel, stable
Cc: huhai, Rafael J . Wysocki, Sasha Levin, rafael, linux-acpi
From: huhai <huhai@kylinos.cn>
[ Upstream commit b4f1f61ed5928b1128e60e38d0dffa16966f06dc ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 a9158858f54c..6ca4b3dc11ca 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -330,6 +330,9 @@ 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;
--
2.35.1
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[not found] <20220808014005.317064-1-sashal@kernel.org>
2022-08-08 1:40 ` [PATCH AUTOSEL 4.9 5/8] ACPI: LPSS: Fix missing check in register_device_clock() Sasha Levin
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