Add a workaround to judge the end-of-device path type:

We used to have type EFI_END_ENTIRE_DEVICE_PATH (0xff) to tag the end of entire device path.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6562 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 3 insertions, 3 deletions

diff --git a/MdePkg/Include/Library/DevicePathLib.h b/MdePkg/Include/Library/DevicePathLib.h
index a5bf96be9e..05e98a4d3d 100644
--- a/MdePkg/Include/Library/DevicePathLib.h
+++ b/MdePkg/Include/Library/DevicePathLib.h
@@ -20,9 +20,9 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #define END_DEVICE_PATH_LENGTH               (sizeof (EFI_DEVICE_PATH_PROTOCOL))

 #define DevicePathNodeLength(Node)           ReadUnaligned16 ((UINT16 *)&((EFI_DEVICE_PATH_PROTOCOL *)(Node))->Length[0])

 #define NextDevicePathNode(Node)             ((EFI_DEVICE_PATH_PROTOCOL *)((UINT8 *)(Node) + DevicePathNodeLength(Node)))

-#define DevicePathType(Node)                 (((EFI_DEVICE_PATH_PROTOCOL *)(Node))->Type) 

+#define DevicePathType(Node)                 (((EFI_DEVICE_PATH_PROTOCOL *)(Node))->Type)

 #define DevicePathSubType(Node)              (((EFI_DEVICE_PATH_PROTOCOL *)(Node))->SubType)

-#define IsDevicePathEndType(Node)            (DevicePathType (Node) == END_DEVICE_PATH_TYPE)

+#define IsDevicePathEndType(Node)            ((DevicePathType (Node) & 0x7f) == END_DEVICE_PATH_TYPE)

 #define IsDevicePathEnd(Node)                (IsDevicePathEndType (Node) && DevicePathSubType(Node) == END_ENTIRE_DEVICE_PATH_SUBTYPE)

 #define IsDevicePathEndInstance(Node)        (IsDevicePathEndType (Node) && DevicePathSubType(Node) == END_INSTANCE_DEVICE_PATH_SUBTYPE)

 

@@ -30,7 +30,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #define SetDevicePathEndNode(Node)  {                                   \

           DevicePathType (Node)    = END_DEVICE_PATH_TYPE;              \

           DevicePathSubType (Node) = END_ENTIRE_DEVICE_PATH_SUBTYPE;    \

-          SetDevicePathNodeLength ((Node), END_DEVICE_PATH_LENGTH);       \

+          SetDevicePathNodeLength ((Node), END_DEVICE_PATH_LENGTH);     \

           }

 

 /**