1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c
index 303429bb4d5d..9d28867e60dc 100644
--- a/drivers/acpi/acpica/exregion.c
+++ b/drivers/acpi/acpica/exregion.c
@@ -400,6 +400,7 @@ acpi_ex_pci_config_space_handler(u32 function,
         switch (function) {
         case ACPI_READ:
 
+                *value = 0;
                 status = acpi_os_read_pci_configuration(pci_id, pci_register,
                                                         value, bit_width);
                 break;