[mutter] wayland/surface: Remove unnecessary NULL check

[Marge Bot <marge-bot src gnome org>]

commit 90076cf268bde6c18e49908514d7dc7af4b3a92e
Author: Jonas Ådahl <jadahl gmail com>
Date:   Thu Aug 5 16:03:26 2021 +0200

    wayland/surface: Remove unnecessary NULL check
    
    This check has caused repeated confusion, as there are no current code
    paths where this can ever end up in the true-branch.
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1959>

 src/wayland/meta-wayland-surface.c | 28 ----------------------------
 1 file changed, 28 deletions(-)
---
diff --git a/src/wayland/meta-wayland-surface.c b/src/wayland/meta-wayland-surface.c
index 07d269109d..320df11ede 100644
--- a/src/wayland/meta-wayland-surface.c
+++ b/src/wayland/meta-wayland-surface.c
@@ -1028,10 +1028,6 @@ wl_surface_attach (struct wl_client   *client,
   MetaWaylandSurfaceState *pending = surface->pending_state;
   MetaWaylandBuffer *buffer;
 
-  /* X11 unmanaged window */
-  if (!surface)
-    return;
-
   if (buffer_resource)
     buffer = meta_wayland_buffer_from_resource (buffer_resource);
   else
@@ -1069,10 +1065,6 @@ wl_surface_damage (struct wl_client   *client,
   MetaWaylandSurfaceState *pending = surface->pending_state;
   cairo_rectangle_int_t rectangle;
 
-  /* X11 unmanaged window */
-  if (!surface)
-    return;
-
   rectangle = (cairo_rectangle_int_t) {
     .x = x,
     .y = y,
@@ -1101,10 +1093,6 @@ wl_surface_frame (struct wl_client   *client,
   MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource);
   MetaWaylandSurfaceState *pending = surface->pending_state;
 
-  /* X11 unmanaged window */
-  if (!surface)
-    return;
-
   callback = g_new0 (MetaWaylandFrameCallback, 1);
   callback->surface = surface;
   callback->resource = wl_resource_create (client,
@@ -1125,10 +1113,6 @@ wl_surface_set_opaque_region (struct wl_client   *client,
   MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource);
   MetaWaylandSurfaceState *pending = surface->pending_state;
 
-  /* X11 unmanaged window */
-  if (!surface)
-    return;
-
   g_clear_pointer (&pending->opaque_region, cairo_region_destroy);
   if (region_resource)
     {
@@ -1147,10 +1131,6 @@ wl_surface_set_input_region (struct wl_client   *client,
   MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource);
   MetaWaylandSurfaceState *pending = surface->pending_state;
 
-  /* X11 unmanaged window */
-  if (!surface)
-    return;
-
   g_clear_pointer (&pending->input_region, cairo_region_destroy);
   if (region_resource)
     {
@@ -1167,10 +1147,6 @@ wl_surface_commit (struct wl_client   *client,
 {
   MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
 
-  /* X11 unmanaged window */
-  if (!surface)
-    return;
-
   meta_wayland_surface_commit (surface);
 }
 
@@ -1258,10 +1234,6 @@ wl_surface_damage_buffer (struct wl_client   *client,
   MetaWaylandSurfaceState *pending = surface->pending_state;
   cairo_rectangle_int_t rectangle;
 
-  /* X11 unmanaged window */
-  if (!surface)
-    return;
-
   rectangle = (cairo_rectangle_int_t) {
     .x = x,
     .y = y,