Fixed #2826 -- Added .is_authenticated() check before login() in comments views

git-svn-id: http://code.djangoproject.com/svn/django/trunk@3929 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/comments/views/comments.py

@@ -217,7 +217,7 @@ def post_comment(request):
     errors = manipulator.get_validation_errors(new_data)
     # If user gave correct username/password and wasn't already logged in, log them in
     # so they don't have to enter a username/password again.
-    if manipulator.get_user() and new_data.has_key('password') and manipulator.get_user().check_password(new_data['password']):
+    if manipulator.get_user() and not manipulator.get_user().is_authenticated() and new_data.has_key('password') and manipulator.get_user().check_password(new_data['password']):
         from django.contrib.auth import login
         login(request, manipulator.get_user())
     if errors or request.POST.has_key('preview'):