File cd4c50db38ea9421deb83f25935a27531aa756a9.patch of Package clutter

From cd4c50db38ea9421deb83f25935a27531aa756a9 Mon Sep 17 00:00:00 2001
From: Emmanuele Bassi <ebassi@gnome.org>
Date: Fri, 20 Mar 2020 16:08:21 +0000
Subject: [PATCH] wayland: Protect against enter events for empty surfaces

The `leave` handler checks for NULL surfaces, but the `enter` handler
does not.

Fixes: #17
---
 clutter/wayland/clutter-input-device-wayland.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/clutter/wayland/clutter-input-device-wayland.c b/clutter/wayland/clutter-input-device-wayland.c
index 7bfb615b7..3dab22070 100644
--- a/clutter/wayland/clutter-input-device-wayland.c
+++ b/clutter/wayland/clutter-input-device-wayland.c
@@ -472,7 +472,10 @@ clutter_wayland_handle_keyboard_enter (void *data,
                                        struct wl_array *keys)
 {
   ClutterInputDeviceWayland *device = data;
-  ClutterStageCogl          *stage_cogl;
+  ClutterStageCogl *stage_cogl;
+
+  if (surface == NULL)
+    return;
 
   if (!CLUTTER_IS_STAGE_COGL (wl_surface_get_user_data (surface)))
     return;
@@ -495,8 +498,9 @@ clutter_wayland_handle_keyboard_leave (void *data,
   ClutterInputDeviceWayland *device = data;
   ClutterStageCogl          *stage_cogl;
 
-  if (!surface)
+  if (surface == NULL)
     return;
+
   if (!CLUTTER_IS_STAGE_COGL (wl_surface_get_user_data (surface)))
     return;
 
-- 
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