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    Subject[PATCH 5.10 098/545] ACPI: LPSS: Fix missing check in register_device_clock()
    Date
    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 be73974ce449..6ff81027c69d 100644
    --- a/drivers/acpi/acpi_lpss.c
    +++ b/drivers/acpi/acpi_lpss.c
    @@ -401,6 +401,9 @@ 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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