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Date: Wed, 4 Feb 2009 10:46:42 -0800
From: Greg KH <gregkh@suse.de>
To: linux-kernel@vger.kernel.org, stable@kernel.org
Cc: Justin Forbes <jmforbes@linuxtx.org>,
       Zwane Mwaikambo <zwane@arm.linux.org.uk>,
       "Theodore Ts'o" <tytso@mit.edu>, Randy Dunlap <rdunlap@xenotime.net>,
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       Bob Moore <robert.moore@intel.com>,
       Fiodor Suietov <fiodor.f.suietov@intel.com>,
       Thomas Renninger <trenn@suse.de>
Subject: [patch 27/41] ACPICA: Add check for invalid handle in
	acpi_get_object_info
Message-ID: <20090204184642.GB25246@kroah.com>
References: <20090204184029.881610776@mini.kroah.org>
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2.6.27-stable review patch.  If anyone has any objections, please let us know.

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

From: Fiodor Suietov <fiodor.f.suietov@intel.com>

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@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: Thomas Renninger <trenn@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
 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;
 	}