window-opengl: Fixing to proper return value

1 files changed, 6 insertions, 2 deletions

diff --git a/c++/window-opengl/gl_xcb.cpp b/c++/window-opengl/gl_xcb.cpp
index ed4e40b..f356307 100644
--- a/c++/window-opengl/gl_xcb.cpp
+++ b/c++/window-opengl/gl_xcb.cpp
@@ -97,8 +97,12 @@ void gpu_context<backend::gl_linux_xcb>::flush(){
 	}
 }
 
-own<gpu_context<backend::gl_linux_xcb> > create_gpu_context(io_provider& prov, const gl_settings& settings){
-	own<device<backend::linux_xcb>> device = create_xcb_device(prov);
+own<gpu_context<backend::gl_linux_xcb> > create_gl_context(io_provider& prov, const gl_settings& settings){
+    auto eodev = create_xcb_device(prov);
+	if(eodev.is_error()){
+			return nullptr;
+	}
+	own<device<backend::linux_xcb>>& device = eodev.get_value();
 	if (!device) {
 		return nullptr;
 	}