ui/crumbs/tasklistmodel: optimise find_path_for_item()

Rather than calling get_path() for each iterated value use the get_value()
method to lookup the COL_NAME value and only call get_path() for a match.

This should save some time by potentially removing N-1 calls to get_path()
from the loop.

(Bitbake rev: d2450536269996147a22d6eafbdf72aa62afa4f6)

Signed-off-by: Joshua Lock <josh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/ui/crumbs/tasklistmodel.py

@@ -481,11 +481,9 @@ class TaskListModel(gtk.ListStore):
             return None
 
         it = self.get_iter_first()
-        path = None
         while it:
-            path = self.get_path(it)
-            if (self[path][self.COL_NAME] == item_name):
-                return path
+            if (self.get_value(it, self.COL_NAME) == item_name):
+                return self.get_path(it)
             else:
                 it = self.iter_next(it)
         return None