X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Facpi%2Facpica%2Fexstore.c;h=4ff37e8e0018f06c608e87f2fbcab1e7b7b537e2;hb=3f654bad3257427bea7ba1c4d43a23d99a03622b;hp=90431f12f8318e6fdb99d9dc06a6c338c8aa5850;hpb=4d1839138220e7e35bf9e31c854e4e0196dea7a1;p=karo-tx-linux.git

diff --git a/drivers/acpi/acpica/exstore.c b/drivers/acpi/acpica/exstore.c
index 90431f12f831..4ff37e8e0018 100644
--- a/drivers/acpi/acpica/exstore.c
+++ b/drivers/acpi/acpica/exstore.c
@@ -487,14 +487,33 @@ acpi_ex_store_object_to_node(union acpi_operand_object *source_desc,
 	default:
 
 		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-				  "Storing %s (%p) directly into node (%p) with no implicit conversion\n",
+				  "Storing [%s] (%p) directly into node [%s] (%p)"
+				  " with no implicit conversion\n",
 				  acpi_ut_get_object_type_name(source_desc),
-				  source_desc, node));
+				  source_desc,
+				  acpi_ut_get_object_type_name(target_desc),
+				  node));
 
-		/* No conversions for all other types. Just attach the source object */
+		/*
+		 * No conversions for all other types. Directly store a copy of
+		 * the source object. NOTE: This is a departure from the ACPI
+		 * spec, which states "If conversion is impossible, abort the
+		 * running control method".
+		 *
+		 * This code implements "If conversion is impossible, treat the
+		 * Store operation as a CopyObject".
+		 */
+		status =
+		    acpi_ut_copy_iobject_to_iobject(source_desc, &new_desc,
+						    walk_state);
+		if (ACPI_FAILURE(status)) {
+			return_ACPI_STATUS(status);
+		}
 
-		status = acpi_ns_attach_object(node, source_desc,
-					       source_desc->common.type);
+		status =
+		    acpi_ns_attach_object(node, new_desc,
+					  new_desc->common.type);
+		acpi_ut_remove_reference(new_desc);
 		break;
 	}