diff -up ImageMagick-6.4.5/coders/svg.c.orig ImageMagick-6.4.5/coders/svg.c
--- ImageMagick-6.4.5/coders/svg.c.orig	2008-10-10 03:28:08.000000000 +0200
+++ ImageMagick-6.4.5/coders/svg.c	2008-11-14 13:52:52.000000000 +0100
@@ -2798,9 +2798,15 @@ static Image *ReadSVGImage(const ImageIn
       rsvg_handle_set_dpi_x_y(svg_handle,
         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_handle,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_handle,&error);
       if (error != (GError *) NULL)
         g_error_free(error);