MdeModulePkg/BmpImageDecoderLib: Support ImageFormatUnknown type

Enhance the library to handle unknown image format.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18774 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/MdeModulePkg/Library/BmpImageDecoderLib/BmpImageDecoderLib.c b/MdeModulePkg/Library/BmpImageDecoderLib/BmpImageDecoderLib.c
index 86dcc918c2c67cd2c653508bd58acb2a23336d62..28afd4fa9a9bebf60048d9b12fa8175656158138 100644 (file)
--- a/MdeModulePkg/Library/BmpImageDecoderLib/BmpImageDecoderLib.c
+++ b/MdeModulePkg/Library/BmpImageDecoderLib/BmpImageDecoderLib.c
@@ -65,7 +65,7 @@ BmpImageDecoderLibConvertBmpToGopBlt (
 \r
   ASSERT ((GopBlt != NULL) && (GopBltSize != NULL));\r
 \r
-  if (ImageFormat != ImageFormatBmp) {\r
+  if ((ImageFormat != ImageFormatBmp) && (ImageFormat != ImageFormatUnknown)) {\r
     return EFI_UNSUPPORTED;\r
   }\r
 \r