commit c03b26a5a5597a59b2e247d005d5901430109a8a
author Paul Rolland <rol@as2917.net> Wed Dec 30 01:07:40 2009 -0500
committer Len Brown <len.brown@intel.com> Wed Dec 30 02:48:55 2009 -0500
tree a7b2fd29ebcc6febf8b7543404855a64e4a48d0d
parent fda11e61ff8a4e3a8ebbd434e46560b67cc0ca9d

wmi: check find_guid() return value to prevent oops

Signed-off-by: Paul Rolland <rol@as2917.net>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/platform/x86/wmi.c

diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 9f93d6c..cc9ad74 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -492,8 +492,7 @@
 	if (!guid || !handler)
 		return AE_BAD_PARAMETER;
 
-	find_guid(guid, &block);
-	if (!block)
+	if (!find_guid(guid, &block))
 		return AE_NOT_EXIST;
 
 	if (block->handler)
@@ -521,8 +520,7 @@
 	if (!guid)
 		return AE_BAD_PARAMETER;
 
-	find_guid(guid, &block);
-	if (!block)
+	if (!find_guid(guid, &block))
 		return AE_NOT_EXIST;
 
 	if (!block->handler)