wayland: Fix potential segfault

Signed-off-by: Quentin Glidic <sardemff7+git@sardemff7.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/source/wayland.c b/source/wayland.c
index e4e079da..6b1c6c6c 100644
--- a/source/wayland.c
+++ b/source/wayland.c
@@ -272,6 +272,9 @@ display_buffer_pool_get_next_buffer(wayland_buffer_pool *pool)
 void
 display_surface_commit(cairo_surface_t *surface)
 {
+    if ( surface == NULL )
+        return;
+
     wayland_buffer *buffer = cairo_surface_get_user_data(surface, &wayland_cairo_surface_user_data);
     wayland_buffer_pool *pool = buffer->pool;