From: Hanjun Guo guohanjun@huawei.com
stable inclusion from linux-4.19.198 commit b020044bee32c599b3e25f0b110b6e25e7f789d7
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[ Upstream commit 4ac7a817f1992103d4e68e9837304f860b5e7300 ]
Although the system will not be in a good condition or it will not boot if acpi_bus_init() fails, it is still necessary to put the kobject in the error path before returning to avoid leaking memory.
Signed-off-by: Hanjun Guo guohanjun@huawei.com [ rjw: Subject and changelog edits ] Signed-off-by: Rafael J. Wysocki rafael.j.wysocki@intel.com Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- drivers/acpi/bus.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index d60e57d14c859..d9dc9d2f38d56 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -1240,6 +1240,7 @@ static int __init acpi_init(void) init_acpi_device_notify(); result = acpi_bus_init(); if (result) { + kobject_put(acpi_kobj); disable_acpi(); return result; }