From 4fe2ca0f758bb5998f4a017b193bce5bdcb62725 Mon Sep 17 00:00:00 2001
From: jp9000 <obs.jim@gmail.com>
Date: Fri, 23 Dec 2016 02:01:09 -0800
Subject: [PATCH] win-capture: Fix possible null pointer dereference

---
 plugins/win-capture/window-helpers.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/plugins/win-capture/window-helpers.c b/plugins/win-capture/window-helpers.c
index 2c90d7542..09d6554c4 100644
--- a/plugins/win-capture/window-helpers.c
+++ b/plugins/win-capture/window-helpers.c
@@ -338,6 +338,10 @@ HWND find_window(enum window_search_mode mode,
 	HWND window      = first_window(mode, &parent);
 	HWND best_window = NULL;
 	int  best_rating = 0;
+
+	if (!class)
+		return NULL;
+
 	bool uwp_window  = strcmp(class, "Windows.UI.Core.CoreWindow") == 0;
 
 	while (window) {