1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index b7201fc6f1e1..0bdacc5e26a3 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -77,18 +77,24 @@ bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res)
         switch (ares->type) {
         case ACPI_RESOURCE_TYPE_MEMORY24:
                 memory24 = &ares->data.memory24;
+                if (!memory24->address_length)
+                        return false;
                 acpi_dev_get_memresource(res, memory24->minimum,
                                          memory24->address_length,
                                          memory24->write_protect);
                 break;
         case ACPI_RESOURCE_TYPE_MEMORY32:
                 memory32 = &ares->data.memory32;
+                if (!memory32->address_length)
+                        return false;
                 acpi_dev_get_memresource(res, memory32->minimum,
                                          memory32->address_length,
                                          memory32->write_protect);
                 break;
         case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
                 fixed_memory32 = &ares->data.fixed_memory32;
+                if (!fixed_memory32->address_length)
+                        return false;
                 acpi_dev_get_memresource(res, fixed_memory32->address,
                                          fixed_memory32->address_length,
                                          fixed_memory32->write_protect);
@@ -144,12 +150,16 @@ bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res)
         switch (ares->type) {
         case ACPI_RESOURCE_TYPE_IO:
                 io = &ares->data.io;
+                if (!io->address_length)
+                        return false;
                 acpi_dev_get_ioresource(res, io->minimum,
                                         io->address_length,
                                         io->io_decode);
                 break;
         case ACPI_RESOURCE_TYPE_FIXED_IO:
                 fixed_io = &ares->data.fixed_io;
+                if (!fixed_io->address_length)
+                        return false;
                 acpi_dev_get_ioresource(res, fixed_io->address,
                                         fixed_io->address_length,
                                         ACPI_DECODE_10);