icontheme: Avoid a crash

gtk_icon_info_new_for_file with a size of 0 would fail for
symbolic pngs because we ended up scaling with 0. Avoid this.

diff --git a/gtk/gtkicontheme.c b/gtk/gtkicontheme.c
index 0a0425829ba4305a04b405f50ac603dcff8ed82e..d7dc37154d361dc5bf1e89f8e484b4971c5ca7a5 100644 (file)
--- a/gtk/gtkicontheme.c
+++ b/gtk/gtkicontheme.c
@@ -3949,7 +3949,7 @@ icon_info_ensure_scale_and_pixbuf (GtkIconInfo *icon_info)
     icon_info->scale = image_size / 1000.;
   else if (icon_info->scale < 0.0)
     {
-      if (image_size > 0)
+      if (image_size > 0 && scaled_desired_size > 0)
         icon_info->scale = (gdouble)scaled_desired_size / (gdouble)image_size;
       else
         icon_info->scale = 1.0;