From 83a5041286b969afc86a96f4b1fe68d830373d89 Mon Sep 17 00:00:00 2001
From: Trial97 <alexandru.tripon@itsyscom.com>
Date: Thu, 22 Nov 2018 17:28:53 +0200
Subject: [PATCH] Update *empty filter

---
 engine/filters.go      | 3 +++
 engine/filters_test.go | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/engine/filters.go b/engine/filters.go
index bfa1ad71e..38d026efc 100644
--- a/engine/filters.go
+++ b/engine/filters.go
@@ -288,6 +288,9 @@ func (fltr *FilterRule) passEmpty(dP config.DataProvider) (bool, error) {
 		}
 		return false, err
 	}
+	if val == nil {
+		return true, nil
+	}
 	rval := reflect.ValueOf(val)
 	if rval.Type().Kind() == reflect.Ptr {
 		if rval.IsNil() {
diff --git a/engine/filters_test.go b/engine/filters_test.go
index 7394bf856..7c622cd62 100644
--- a/engine/filters_test.go
+++ b/engine/filters_test.go
@@ -627,6 +627,7 @@ func TestInlineFilterPassFiltersForEvent(t *testing.T) {
 		"EmptySlice":    []string{""},
 		"EmptyMap":      map[string]string{"": ""},
 		"EmptyPtr":      &struct{}{},
+		"EmptyPtr2":     &struct{}{},
 		"EmptyPtrSlice": &[]string{""},
 		"EmptyPtrMap":   &map[string]string{"": ""},
 	}
@@ -637,6 +638,7 @@ func TestInlineFilterPassFiltersForEvent(t *testing.T) {
 		"EmptySlice":    []string{},
 		"EmptyMap":      map[string]string{},
 		"EmptyPtr":      testnil,
+		"EmptyPtr2":     nil,
 		"EmptyPtrSlice": &[]string{},
 		"EmptyPtrMap":   &map[string]string{},
 	}