From: Kang Chen void0red@gmail.com
[ Upstream commit 4dea41775d951ff1f7b472a346a8ca3ae7e74455 ]
devm_kzalloc() may fail, clk_data->name might be NULL and will cause a NULL pointer dereference later.
Signed-off-by: Kang Chen void0red@gmail.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 --- drivers/acpi/acpi_apd.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c index 3bbe2276cac76..80f945cbec8a7 100644 --- a/drivers/acpi/acpi_apd.c +++ b/drivers/acpi/acpi_apd.c @@ -83,6 +83,8 @@ static int fch_misc_setup(struct apd_private_data *pdata) if (!acpi_dev_get_property(adev, "clk-name", ACPI_TYPE_STRING, &obj)) { clk_data->name = devm_kzalloc(&adev->dev, obj->string.length, GFP_KERNEL); + if (!clk_data->name) + return -ENOMEM;
strcpy(clk_data->name, obj->string.pointer); } else {