Merge remote-tracking branch 'core/master' into schema-alteration

Conflicts:
	django/db/models/fields/related.py

1 files changed, 9 insertions, 5 deletions

diff --git a/django/forms/formsets.py b/django/forms/formsets.py
index d421770093..fd98c43405 100644
--- a/django/forms/formsets.py
+++ b/django/forms/formsets.py
@@ -250,9 +250,9 @@ class BaseFormSet(object):
         form -- i.e., from formset.clean(). Returns an empty ErrorList if there
         are none.
         """
-        if self._non_form_errors is not None:
-            return self._non_form_errors
-        return self.error_class()
+        if self._non_form_errors is None:
+            self.full_clean()
+        return self._non_form_errors
 
     @property
     def errors(self):
@@ -291,16 +291,20 @@ class BaseFormSet(object):
 
     def full_clean(self):
         """
-        Cleans all of self.data and populates self._errors.
+        Cleans all of self.data and populates self._errors and
+        self._non_form_errors.
         """
         self._errors = []
+        self._non_form_errors = self.error_class()
+
         if not self.is_bound: # Stop further processing.
             return
         for i in range(0, self.total_form_count()):
             form = self.forms[i]
             self._errors.append(form.errors)
         try:
-            if (self.validate_max and self.total_form_count() > self.max_num) or \
+            if (self.validate_max and
+                self.total_form_count() - len(self.deleted_forms) > self.max_num) or \
                 self.management_form.cleaned_data[TOTAL_FORM_COUNT] > self.absolute_max:
                 raise ValidationError(ungettext(
                     "Please submit %d or fewer forms.",