OvmfPkg: IndustryStandard/Virtio.h: use OFFSET_OF in OFFSET_OF_VHDR

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13838 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/OvmfPkg/Include/IndustryStandard/Virtio.h b/OvmfPkg/Include/IndustryStandard/Virtio.h
index ff4b71c84c599acc2f715854e184baa30a0109fa..600d3d272b6a1865d5a348b1a91517415b6351d0 100644 (file)
--- a/OvmfPkg/Include/IndustryStandard/Virtio.h
+++ b/OvmfPkg/Include/IndustryStandard/Virtio.h
@@ -118,7 +118,7 @@ typedef struct {
 } VBLK_HDR;\r
 #pragma pack()\r
 \r
-#define OFFSET_OF_VHDR(Field) ((UINTN)(UINT8 *)&((VBLK_HDR *) 0)->Field)\r
+#define OFFSET_OF_VHDR(Field) OFFSET_OF (VBLK_HDR, Field)\r
 #define SIZE_OF_VHDR(Field)   (sizeof ((VBLK_HDR *) 0)->Field)\r
 \r
 \r