1 files changed, 3 insertions, 4 deletions

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index f14d3f251d26..65b25a303b86 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -141,15 +141,14 @@ static struct osi_linux {
 static void __init acpi_request_region (struct acpi_generic_address *addr,
         unsigned int length, char *desc)
 {
-        struct resource *res;
-
         if (!addr->address || !length)
                 return;
 
+        /* Resources are never freed */
         if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_IO)
-                res = request_region(addr->address, length, desc);
+                request_region(addr->address, length, desc);
         else if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY)
-                res = request_mem_region(addr->address, length, desc);
+                request_mem_region(addr->address, length, desc);
 }
 
 static int __init acpi_reserve_resources(void)