From 9b8d16b33205f71a8376b60dabcf57e4514be4b7 Mon Sep 17 00:00:00 2001
From: akallabeth <akallabeth@posteo.net>
Date: Thu, 26 Nov 2020 15:38:17 +0100
Subject: [PATCH] Allow autoreconnect for ERRINFO_GRAPHICS_SUBSYSTEM_FAILED

As discussed in #4717 allow autoreconnect to succeed if that
specific error code was returned as disconnection reason.
---
 client/common/client.c | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/client/common/client.c b/client/common/client.c
index cccc97401..0cdb636d8 100644
--- a/client/common/client.c
+++ b/client/common/client.c
@@ -730,6 +730,7 @@ BOOL client_auto_reconnect(freerdp* instance)
 
 BOOL client_auto_reconnect_ex(freerdp* instance, BOOL (*window_events)(freerdp* instance))
 {
+	UINT32 error;
 	UINT32 maxRetries;
 	UINT32 numRetries = 0;
 	rdpSettings* settings;
@@ -741,11 +742,21 @@ BOOL client_auto_reconnect_ex(freerdp* instance, BOOL (*window_events)(freerdp*
 	maxRetries = settings->AutoReconnectMaxRetries;
 
 	/* Only auto reconnect on network disconnects. */
-	if (freerdp_error_info(instance) != 0)
-		return FALSE;
-
-	/* A network disconnect was detected */
-	WLog_INFO(TAG, "Network disconnect!");
+	error = freerdp_error_info(instance);
+	switch (error)
+	{
+		case ERRINFO_GRAPHICS_SUBSYSTEM_FAILED:
+			/* A network disconnect was detected */
+			WLog_WARN(TAG, "Disconnected by server hitting a bug or resource limit [%s]",
+			          freerdp_get_error_info_string(error));
+			break;
+		case ERRINFO_SUCCESS:
+			/* A network disconnect was detected */
+			WLog_INFO(TAG, "Network disconnect!");
+			break;
+		default:
+			return FALSE;
+	}
 
 	if (!settings->AutoReconnectionEnabled)
 	{