MdeModulePkg DxeCapsuleLibFmp: Update SupportCapsuleImage() for Fake Capsule

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1088
Per UEFI spec, the fake capsule image with the header only is a valid case
in QueryCapsuleCpapbilities(). So, SupportCapsuleImage() is updated to
support this case.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liming Gao <liming.gao@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Reviewed-by: Jian J Wang <jian.j.wang@intel.com>

diff --git a/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleLib.c b/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleLib.c
index fa557b61ae8c7842744a8ddc06e220587186515d..f56809bb7019de467a887d9bb6899129a983e573 100644 (file)
--- a/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleLib.c
+++ b/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleLib.c
@@ -1421,6 +1421,12 @@ SupportCapsuleImage (
   }\r
 \r
   if (IsFmpCapsule(CapsuleHeader)) {\r
+    //\r
+    // Fake capsule header is valid case in QueryCapsuleCpapbilities().\r
+    //\r
+    if (CapsuleHeader->HeaderSize == CapsuleHeader->CapsuleImageSize) {\r
+      return EFI_SUCCESS;\r
+    }\r
     //\r
     // Check layout of FMP capsule\r
     //\r