diff -up ImageMagick-6.4.0/coders/svg.c~ ImageMagick-6.4.0/coders/svg.c
--- ImageMagick-6.4.0/coders/svg.c~	2008-04-26 11:32:26.000000000 +0200
+++ ImageMagick-6.4.0/coders/svg.c	2008-04-26 11:32:26.000000000 +0200
@@ -2777,12 +2777,20 @@ static Image *ReadSVGImage(const ImageIn
       rsvg_handle_set_dpi_x_y(svg_info,
         image->x_resolution == 0.0 ? 72.0 : image->x_resolution,
         image->y_resolution == 0.0 ? 72.0 : image->y_resolution);
-      error=(GError *) NULL;
-      while ((n=ReadBlob(image,MaxTextExtent,message)) != 0)
+      while ((n=ReadBlob(image,MaxTextExtent,message)) != 0) {
+        error=(GError *) NULL;
         (void) rsvg_handle_write(svg_info,message,n,&error);
+        if (error != (GError *) NULL) {
+          /* FIXME actually do something with the error */
+          g_error_free(error);
+        }
+      }
+      error=(GError *) NULL;
       rsvg_handle_close(svg_info,&error);
-      if (error != (GError *) NULL)
+      if (error != (GError *) NULL) {
+        /* FIXME actually do something with the error */
         g_error_free(error);
+      }
 #if defined(MAGICKCORE_CAIRO_DELEGATE)
       rsvg_handle_get_dimensions(svg_info,&dimension_info);
       image->columns=dimension_info.width*image->x_resolution/72.0;