sway

commit 91c0ffd6cf1ffb6a86c3ce4d6365ab0843ad9c37
parent fafc060909d7e7d971468f9de7015ca349a37052
Author: Tadeo Kondrak <me@tadeo.ca>
Date:   Wed,  4 Mar 2020 14:47:26 -0700

Null check sway_layer_surface when checking damage

Before this change, an overlay layer-shell surface without a buffer
attached would segfault the compositor on screen damage.

Diffstat:
M
sway/desktop/output.c
 | 
3
+++

1 file changed, 3 insertions(+), 0 deletions(-)
diff --git a/sway/desktop/output.c b/sway/desktop/output.c
@@ -388,6 +388,9 @@ bool output_has_opaque_overlay_layer_surface(struct sway_output *output) {
 		struct wlr_surface *wlr_surface = wlr_layer_surface_v1->surface;
 		struct sway_layer_surface *sway_layer_surface =
 			layer_from_wlr_layer_surface_v1(wlr_layer_surface_v1);
+		if (sway_layer_surface == NULL) {
+			continue;
+		}
 		pixman_box32_t output_box = {
 			.x2 = output->width,
 			.y2 = output->height,