free canvas on reconfigure

1 files changed, 4 insertions, 0 deletions

diff --git a/ffbg.c b/ffbg.c
index 4fd5e25..10ecd03 100644
--- a/ffbg.c
+++ b/ffbg.c
@@ -200,6 +200,10 @@ layer_surface_configure(void *data, struct zwlr_layer_surface_v1 *surface, uint3
 	zwlr_layer_surface_v1_set_exclusive_zone(surface, -1);
 	zwlr_layer_surface_v1_ack_configure(surface, serial);
 
+	if (bg->canvas != 0) {
+		free_drw(bg->canvas);
+	}
+
 	bg->canvas = create_drw(bg_state.wl_shm, bg->width, bg->height);
 
 	update_bg(bg);