Setting members to 0/NULL after a zalloc or calloc is redundant

calloc (and zalloc) set the allocated memory to 0, so there's really no
need to do it manually.

Signed-off-by: Bryce Harrington <bryce@osg.samsung.com>
Reviewed-by: Marek Chalupa <mchqwerty@gmail.com>
[Pekka: dropped the src/evdev.c hunk.]
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>

src/compositor-fbdev.c

@@ -533,10 +533,6 @@ fbdev_output_create(struct fbdev_compositor *compositor,
 	output->base.start_repaint_loop = fbdev_output_start_repaint_loop;
 	output->base.repaint = fbdev_output_repaint;
 	output->base.destroy = fbdev_output_destroy;
-	output->base.assign_planes = NULL;
-	output->base.set_backlight = NULL;
-	output->base.set_dpms = NULL;
-	output->base.switch_mode = NULL;
 
 	/* only one static mode in list */
 	output->mode.flags =

src/compositor.c

@@ -440,10 +440,6 @@ weston_view_create(struct weston_surface *surface)
 	wl_list_init(&view->link);
 	wl_list_init(&view->layer_link.link);
 
-	view->plane = NULL;
-	view->layer_link.layer = NULL;
-	view->parent_view = NULL;
-
 	pixman_region32_init(&view->clip);
 	pixman_region32_init(&view->transform.masked_boundingbox);
 	pixman_region32_init(&view->transform.masked_opaque);
@@ -459,8 +455,6 @@ weston_view_create(struct weston_surface *surface)
 	pixman_region32_init(&view->transform.boundingbox);
 	view->transform.dirty = 1;
 
-	view->output = NULL;
-
 	return view;
 }
 
@@ -617,8 +611,6 @@ weston_surface_create(struct weston_compositor *compositor)
 
 	wl_signal_init(&surface->destroy_signal);
 
-	surface->resource = NULL;
-
 	surface->compositor = compositor;
 	surface->ref_count = 1;
 
@@ -629,10 +621,6 @@ weston_surface_create(struct weston_compositor *compositor)
 
 	weston_surface_state_init(&surface->pending);
 
-	surface->output = NULL;
-
-	surface->viewport_resource = NULL;
-
 	pixman_region32_init(&surface->damage);
 	pixman_region32_init(&surface->opaque);
 	region_init_infinite(&surface->input);

src/gl-renderer.c

@@ -1841,8 +1841,6 @@ gl_renderer_output_create(struct weston_output *output,
 	for (i = 0; i < BUFFER_DAMAGE_COUNT; i++)
 		pixman_region32_init(&go->buffer_damage[i]);
 
-	go->buffer_damage_index = 0;
-
 	output->renderer_state = go;
 
 	log_egl_config_info(gr->egl_display, egl_config);

src/rpi-renderer.c

@@ -497,7 +497,6 @@ rpir_surface_create(struct rpi_renderer *renderer)
 		return NULL;
 
 	wl_list_init(&surface->views);
-	surface->visible_views = 0;
 	surface->single_buffer = renderer->single_buffer;
 	surface->enable_opaque_regions = renderer->enable_opaque_regions;
 	rpi_resource_init(&surface->resources[0]);