From: Pietro Cerutti <gahr@gahr.ch>
Date: Mon, 30 Jan 2017 10:35:17 +0000 (+0000)
Subject: Do not crash when closing a non-opened mailbox
X-Git-Tag: neomutt-20170206~10
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=196cfa65972e055287b3d11ca7323a5f8b3d162b;p=neomutt

Do not crash when closing a non-opened mailbox

Issue: #342
---

diff --git a/mbox.c b/mbox.c
index edec339a9..49fba5f43 100644
--- a/mbox.c
+++ b/mbox.c
@@ -481,6 +481,11 @@ static int mbox_open_mailbox_append (CONTEXT *ctx, int flags)
 
 static int mbox_close_mailbox (CONTEXT *ctx)
 {
+  if (!ctx->fp)
+  {
+    return 0;
+  }
+
   if (ctx->append)
   {
     mx_unlock_file (ctx->path, fileno (ctx->fp), 1);