[patch 27/41] ACPICA: Add check for invalid handle inacpi_get_object_info

[Greg KH]

2.6.27-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Fiodor Suietov <fiodor.f.suietov@xxxxxxxxx>

commit 237a927682a63f02adb542dbdaafe8a81566451d upstream

Return AE_BAD_PARAMETER if input handle is invalid.

http://www.acpica.org/bugzilla/show_bug.cgi?id=474

Signed-off-by: Fiodor Suietov <fiodor.f.suietov@xxxxxxxxx>
Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
Cc: Thomas Renninger <trenn@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 drivers/acpi/namespace/nsxfname.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/acpi/namespace/nsxfname.c
+++ b/drivers/acpi/namespace/nsxfname.c
@@ -253,6 +253,7 @@ acpi_get_object_info(acpi_handle handle,
 	node = acpi_ns_map_handle_to_node(handle);
 	if (!node) {
 		(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+		status = AE_BAD_PARAMETER;
 		goto cleanup;
 	}
 

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