Merge branch 'core/stacktrace' of git://git.kernel.org/pub/scm/linux/kernel/git/tip...

[linux-2.6] / drivers / acpi / resources / rscalc.c

diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c
index 0dd2ce8a3475d4c062a0a67941805fb29a3063ec..8a112d11d491eebac39708e4d0d1cc59e3f4fc96 100644 (file)
--- a/drivers/acpi/resources/rscalc.c
+++ b/drivers/acpi/resources/rscalc.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2007, R. Byron Moore
+ * Copyright (C) 2000 - 2008, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -73,7 +73,7 @@ acpi_rs_stream_option_length(u32 resource_length, u32 minimum_total_length);
 
 static u8 acpi_rs_count_set_bits(u16 bit_field)
 {
-       u8 bits_set;
+       acpi_native_uint bits_set;
 
        ACPI_FUNCTION_ENTRY();
 
@@ -81,10 +81,10 @@ static u8 acpi_rs_count_set_bits(u16 bit_field)
 
                /* Zero the least significant bit that is set */
 
-               bit_field &= (bit_field - 1);
+               bit_field &= (u16) (bit_field - 1);
        }
 
-       return (bits_set);
+       return ((u8) bits_set);
 }
 
 /*******************************************************************************
@@ -211,6 +211,24 @@ acpi_rs_get_aml_length(struct acpi_resource * resource, acpi_size * size_needed)
                 * variable-length fields
                 */
                switch (resource->type) {
+               case ACPI_RESOURCE_TYPE_IRQ:
+
+                       /* Length can be 3 or 2 */
+
+                       if (resource->data.irq.descriptor_length == 2) {
+                               total_size--;
+                       }
+                       break;
+
+               case ACPI_RESOURCE_TYPE_START_DEPENDENT:
+
+                       /* Length can be 1 or 0 */
+
+                       if (resource->data.irq.descriptor_length == 0) {
+                               total_size--;
+                       }
+                       break;
+
                case ACPI_RESOURCE_TYPE_VENDOR:
                        /*
                         * Vendor Defined Resource: