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ACPICA: Fix extraneous warning if _DSM returns a package 

_DSM can return any type of object, so validation on the return
type cannot be performed. ACPICA BZ 802.

http://www.acpica.org/bugzilla/show_bug.cgi?id=802

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bob Moore 2009-09-03 09:55:40 +08:00 committed by Len Brown
parent 718fb0de8f
commit 307a042416
1 changed files with 6 additions and 2 deletions
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8
drivers/acpi/acpica/nspredef.c
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@ -193,11 +193,15 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
}
/*
* We have a return value, but if one wasn't expected, just exit, this is
* 1) We have a return value, but if one wasn't expected, just exit, this is
* not a problem. For example, if the "Implicit Return" feature is
* enabled, methods will always return a value.
*
* 2) If the return value can be of any type, then we cannot perform any
* validation, exit.
*/
if (!predefined->info.expected_btypes) {
if ((!predefined->info.expected_btypes) ||
(predefined->info.expected_btypes == ACPI_RTYPE_ALL)) {
goto cleanup;
}