MdePkg/UefiDevicePathLib: Add a checking step

[mirror_edk2.git] / MdePkg / Include / Library / DevicePathLib.h

diff --git a/MdePkg/Include/Library/DevicePathLib.h b/MdePkg/Include/Library/DevicePathLib.h
index 959299704a5d3742c8607f8915b52419fef2b5f7..670e7b0424468aed0dc5ea1a1b8f165e1ce023c0 100644 (file)
--- a/MdePkg/Include/Library/DevicePathLib.h
+++ b/MdePkg/Include/Library/DevicePathLib.h
@@ -22,12 +22,13 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 \r
 /**\r
   Determine whether a given device path is valid.\r
-  If DevicePath is NULL, then ASSERT().\r
 \r
   @param  DevicePath  A pointer to a device path data structure.\r
   @param  MaxSize     The maximum size of the device path data structure.\r
 \r
   @retval TRUE        DevicePath is valid.\r
+  @retval FALSE       DevicePath is NULL.\r
+  @retval FALSE       Maxsize is less than sizeof(EFI_DEVICE_PATH_PROTOCOL).\r
   @retval FALSE       The length of any node node in the DevicePath is less\r
                       than sizeof (EFI_DEVICE_PATH_PROTOCOL).\r
   @retval FALSE       If MaxSize is not zero, the size of the DevicePath\r