From be80763b879f1885764f23f9e5201054d007f0e5 Mon Sep 17 00:00:00 2001
From: Yanbing <yawang@microsoft.com>
Date: Thu, 5 Oct 2017 18:37:22 -0700
Subject: [PATCH] Add null check for ssh parameter (#219)

fix for https://github.com/PowerShell/Win32-OpenSSH/issues/905
---
 channels.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/channels.c b/channels.c
index 2e920e9eb..b867ce01b 100644
--- a/channels.c
+++ b/channels.c
@@ -3963,6 +3963,8 @@ channel_disable_adm_local_opens(struct ssh *ssh)
 void
 channel_clear_permitted_opens(struct ssh *ssh)
 {
+	if(ssh == NULL)
+		return;
 	struct ssh_channels *sc = ssh->chanctxt;
 
 	sc->permitted_opens = xrecallocarray(sc->permitted_opens,