daledotshan/liferay-portal — pull request #14 by yuhai (2011-12-13 07:13:53+00:00)
Title: LPS-23852 Back and Return to Full Page from a subfolder Permissions page...

... will redirect to a blank page

Redirect attribute can override the default url. Refer 144 rows in portal-web\docroot\html\portlet\document_library\file_entry_action.jsp to fix.
The issue can be reproduced in trunk 95411.