Commit 4dea4177 authored by Kang Chen's avatar Kang Chen Committed by Rafael J. Wysocki
Browse files

ACPI: processor: Check for null return of devm_kzalloc() in fch_misc_setup() 



devm_kzalloc() may fail, clk_data->name might be NULL and will
cause a NULL pointer dereference later.

Signed-off-by: default avatarKang Chen <void0red@gmail.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent e8d018dd

drivers/acpi/acpi_apd.c

+2 −0
Original line number Diff line number Diff line
@@ -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 {