NullDmaLib:DmaMap() function needs to return valid DeviceAddress.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10554 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/EmbeddedPkg/Library/NullDmaLib/NullDmaLib.c b/EmbeddedPkg/Library/NullDmaLib/NullDmaLib.c
index 0ea89190c98ef646d26f39d99e56d5ddc83c1d22..74386dfa285d24d2add6bbd25121673bdcb01c8d 100755 (executable)
--- a/EmbeddedPkg/Library/NullDmaLib/NullDmaLib.c
+++ b/EmbeddedPkg/Library/NullDmaLib/NullDmaLib.c
@@ -50,6 +50,8 @@ DmaMap (
   OUT    VOID                           **Mapping\r
   )\r
 {\r
+  *DeviceAddress = (PHYSICAL_ADDRESS)(UINTN)HostAddress;\r
+  *Mapping = NULL;\r
   return EFI_SUCCESS;\r
 }\r
 \r