From 7791c2349d9d68453dcb11e25b19b543bce5f667 Mon Sep 17 00:00:00 2001
From: Corentin SORIANO <corentin+github@soriano.app>
Date: Mon, 4 Nov 2024 21:32:39 +0100
Subject: [PATCH] GUACAMOLE-1997: Fix issue on screen resize with freerdp >=
 3.8.0.

---
 src/protocols/rdp/gdi.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/protocols/rdp/gdi.c b/src/protocols/rdp/gdi.c
index 69373faf9..5956df23c 100644
--- a/src/protocols/rdp/gdi.c
+++ b/src/protocols/rdp/gdi.c
@@ -99,7 +99,10 @@ BOOL guac_rdp_gdi_end_paint(rdpContext* context) {
 
     guac_display_layer* default_layer = guac_display_default_layer(rdp_client->display);
     guac_display_layer_raw_context* current_context = rdp_client->current_context;
-    GUAC_ASSERT(current_context != NULL);
+
+    /* Handle the case where EndPaint was called without BeginPaint */
+    if (current_context == NULL)
+        return TRUE;
 
     /* Ignore paint if GDI output is suppressed */
     if (gdi->suppressOutput)