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ACPI: bus: Bail out if acpi_kobj registration fails

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[ Upstream commit 94a370fc8def6038dbc02199db9584b0b3690f1a ]

The ACPI sysfs code will fail to initialize if acpi_kobj is NULL,
together with some ACPI drivers.

Follow the other firmware subsystems and bail out if the kobject
cannot be registered.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://patch.msgid.link/20250518185111.3560-2-W_Armin@gmx.de
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Armin Wolf
2025-05-18 20:51:11 +02:00
committed by Greg Kroah-Hartman
parent 7d346ca11a
commit 0ab90839bf
1 changed files with 4 additions and 2 deletions
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6
drivers/acpi/bus.c
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@@ -1396,8 +1396,10 @@ static int __init acpi_init(void)
}
acpi_kobj = kobject_create_and_add("acpi", firmware_kobj);
if (!acpi_kobj)
pr_debug("%s: kset create error\n", __func__);
if (!acpi_kobj) {
pr_err("Failed to register kobject\n");
return -ENOMEM;
}
init_prmt();
acpi_init_pcc();