From fc672dabc72f995369eefef5ee1f86cf8af86ee8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <email@mattatobin.com>
Date: Sun, 10 Nov 2019 19:18:58 -0500
Subject: [PATCH] Bug 1462316 - fix crash in nsAbView::OnItemAdded().

Tag #1273
---
 mailnews/addrbook/src/nsAbView.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mailnews/addrbook/src/nsAbView.cpp b/mailnews/addrbook/src/nsAbView.cpp
index 77f3122dfe..aed4390de8 100644
--- a/mailnews/addrbook/src/nsAbView.cpp
+++ b/mailnews/addrbook/src/nsAbView.cpp
@@ -855,6 +855,9 @@ nsCString getQuery(nsCOMPtr<nsIAbDirectory> aDir)
 
 NS_IMETHODIMP nsAbView::OnItemAdded(nsISupports *parentDir, nsISupports *item)
 {
+  if (!mDirectory)  // No address book selected.
+    return NS_OK;
+
   nsresult rv;
   nsCOMPtr <nsIAbDirectory> directory = do_QueryInterface(parentDir, &rv);
   NS_ENSURE_SUCCESS(rv,rv);