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platform/x86: intel-hid: Check ACPI_HANDLE() against NULL

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[ Upstream commit 5c69e090ae5dd93d910f70db0796357080707d26 ]

Every platform driver can be forced to match a device that doesn't match
its list of device IDs because of device_match_driver_override(), so
platform drivers that rely on the existence of a device's ACPI companion
object need to verify its presence.

Accordingly, add a requisite ACPI_HANDLE() check against NULL to the
platform/x86 intel-hid driver.

Fixes: ecc83e52b2 ("intel-hid: new hid event driver for hotkeys")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/1971512.tdWV9SEqCh@rafael.j.wysocki
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Ulrich Hecht <uli@kernel.org>
This commit is contained in:
Rafael J. Wysocki
2026-05-12 17:13:28 +02:00
committed by Ulrich Hecht
parent 1384b55a00
commit fd514dffdd
1 changed files with 5 additions and 1 deletions
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6
drivers/platform/x86/intel-hid.c
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@ -448,12 +448,16 @@ static bool button_array_present(struct platform_device *device)
static int intel_hid_probe(struct platform_device *device)
{
acpi_handle handle = ACPI_HANDLE(&device->dev);
unsigned long long mode, dummy;
struct intel_hid_priv *priv;
acpi_handle handle;
acpi_status status;
int err;
handle = ACPI_HANDLE(&device->dev);
if (!handle)
return -ENODEV;
intel_hid_init_dsm(handle);
if (!intel_hid_evaluate_method(handle, INTEL_HID_DSM_HDMM_FN, &mode)) {