Index: src/src/nvimage/ImageIO.cpp
===================================================================
--- src/src/nvimage/ImageIO.cpp	(revision 16371)
+++ src/src/nvimage/ImageIO.cpp	(working copy)
@@ -132,13 +132,13 @@
 {
 	nvDebugCheck(fileName != NULL);
 
-	StdInputStream stream(fileName);
-	
-	if (stream.isError()) {
-		return false;
-	}
-	
-	return loadFloat(fileName, stream);
+	StdInputStream stream(fileName);
+	
+	if (stream.isError()) {
+		return NULL;
+	}
+	
+	return loadFloat(fileName, stream);
 }
 
 FloatImage * nv::ImageIO::loadFloat(const char * fileName, Stream & s)
@@ -230,13 +230,13 @@
 		case TGA_TYPE_RLE_INDEXED:
 			rle = true;
 			// no break is intended!
-		case TGA_TYPE_INDEXED:
-			if( tga.colormap_type!=1 || tga.colormap_size!=24 || tga.colormap_length>256 ) {
-				nvDebug( "*** ImageIO::loadTGA: Error, only 24bit paletted images are supported.\n" );
-				return false;
-			}
-			pal = true;
-			break;
+		case TGA_TYPE_INDEXED:
+			if( tga.colormap_type!=1 || tga.colormap_size!=24 || tga.colormap_length>256 ) {
+				nvDebug( "*** ImageIO::loadTGA: Error, only 24bit paletted images are supported.\n" );
+				return NULL;
+			}
+			pal = true;
+			break;
 
 		case TGA_TYPE_RLE_RGB:
 			rle = true;
@@ -251,13 +251,13 @@
 		case TGA_TYPE_GREY:
 			grey = true;
 			break;
-
-		default:
-			nvDebug( "*** ImageIO::loadTGA: Error, unsupported image type.\n" );
-			return false;
-	}
-
-	const uint pixel_size = (tga.pixel_size/8);
+
+		default:
+			nvDebug( "*** ImageIO::loadTGA: Error, unsupported image type.\n" );
+			return NULL;
+	}
+
+	const uint pixel_size = (tga.pixel_size/8);
 	nvDebugCheck(pixel_size <= 4);
 	
 	const uint size = tga.width * tga.height * pixel_size;