fixed #159 for the progressive case

src/ImageSharp/Formats/Jpeg/GolangPort/Components/Decoder/InputProcessor.cs

@@ -52,6 +52,8 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.GolangPort.Components.Decoder
         /// </summary>
         public bool ReachedEOF => this.LastErrorCode == OrigDecoderErrorCode.UnexpectedEndOfStream;
 
+        public bool HasError => this.LastErrorCode != OrigDecoderErrorCode.NoError;
+
         public OrigDecoderErrorCode LastErrorCode { get; private set; }
 
         public void ResetErrorState() => this.LastErrorCode = OrigDecoderErrorCode.NoError;

src/ImageSharp/Formats/Jpeg/GolangPort/Components/Decoder/OrigJpegScanDecoder.cs

@@ -650,7 +650,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.GolangPort.Components.Decoder
 
                 bool bit;
                 bp.DecodeBitUnsafe(out bit);
-                if (!bp.CheckEOFEnsureNoError())
+                if (bp.HasError)
                 {
                     return int.MinValue;
                 }

tests/Images/External

@@ -1 +1 @@
-Subproject commit 90cd8c2dae16b18bb99e8c2166da72b3159e58c4
+Subproject commit f99c2ea41419cb3b3e80e5beeab611682252df78