1 files changed, 10 insertions, 2 deletions

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index a79e1b193e85..265a99c1eb14 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -864,10 +864,18 @@ ec_parse_io_ports(struct acpi_resource *resource, void *context)
          * the second address region returned is the status/command
          * port.
          */
-        if (ec->data_addr == 0)
+        if (ec->data_addr == 0) {
                 ec->data_addr = resource->data.io.minimum;
-        else if (ec->command_addr == 0)
+                WARN(!request_region(ec->data_addr, 1, "EC data"),
+                     "Could not request EC data io port %lu",
+                     ec->data_addr);
+        }
+        else if (ec->command_addr == 0) {
                 ec->command_addr = resource->data.io.minimum;
+                WARN(!request_region(ec->command_addr, 1, "EC command"),
+                     "Could not request EC command io port %lu",
+                     ec->command_addr);
+        }
         else
                 return AE_CTRL_TERMINATE;