X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=OptionRomPkg%2FLibrary%2FFrameBufferBltLib%2FFrameBufferBltLib.c;h=cfd5212d482478eed64e68c986d11352f83fd0ed;hp=5bb3cfbb28c0fa87ec88459e2150081b89d4bbac;hb=8990b82f4fdf58420ffdb0f7f1a9c100aac8c1ae;hpb=437dfba25bb023f1a9ae351438c14204e950c1f2

diff --git a/OptionRomPkg/Library/FrameBufferBltLib/FrameBufferBltLib.c b/OptionRomPkg/Library/FrameBufferBltLib/FrameBufferBltLib.c
index 5bb3cfbb28..cfd5212d48 100644
--- a/OptionRomPkg/Library/FrameBufferBltLib/FrameBufferBltLib.c
+++ b/OptionRomPkg/Library/FrameBufferBltLib/FrameBufferBltLib.c
@@ -65,9 +65,8 @@ ConfigurePixelBitMaskFormat (
   }
   MergedMasks = (UINT32) (MergedMasks | Masks[3]);
 
-  mBltLibBytesPerPixel = HighBitSet32 (MergedMasks);
-  ASSERT (mBltLibBytesPerPixel >= 0);
-  mBltLibBytesPerPixel = (mBltLibBytesPerPixel + 7) / 8;
+  ASSERT (MergedMasks != 0);
+  mBltLibBytesPerPixel = (HighBitSet32 (MergedMasks) + 7) / 8;
 
   DEBUG ((EFI_D_INFO, "Bytes per pixel: %d\n", mBltLibBytesPerPixel));