Use zalloc instead of calloc(1, ...)

Signed-off-by: Bryce Harrington <bryce@osg.samsung.com>
Reviewed-by: Marek Chalupa <mchqwerty@gmail.com>

11 files changed, 53 insertions, 46 deletions

diff --git a/src/cms-helper.c b/src/cms-helper.c
index c063c773..b5868478 100644
--- a/src/cms-helper.c
+++ b/src/cms-helper.c
@@ -112,7 +112,7 @@ weston_cms_create_profile(const char *filename,
 			  void *lcms_profile)
 {
 	struct weston_color_profile *p;
-	p = calloc(1, sizeof(struct weston_color_profile));
+	p = zalloc(sizeof(struct weston_color_profile));
 	p->filename = strdup(filename);
 	p->lcms_handle = lcms_profile;
 	return p;
diff --git a/src/compositor-drm.c b/src/compositor-drm.c
index a5b6eb7b..9b4d4dcf 100644
--- a/src/compositor-drm.c
+++ b/src/compositor-drm.c
@@ -348,8 +348,8 @@ drm_fb_get_from_bo(struct gbm_bo *bo,
 	if (fb)
 		return fb;
 
-	fb = calloc(1, sizeof *fb);
-	if (!fb)
+	fb = zalloc(sizeof *fb);
+	if (fb == NULL)
 		return NULL;
 
 	fb->bo = bo;
diff --git a/src/compositor-fbdev.c b/src/compositor-fbdev.c
index 55b7d3c3..f175d0d9 100644
--- a/src/compositor-fbdev.c
+++ b/src/compositor-fbdev.c
@@ -508,8 +508,8 @@ fbdev_output_create(struct fbdev_compositor *compositor,
 
 	weston_log("Creating fbdev output.\n");
 
-	output = calloc(1, sizeof *output);
-	if (!output)
+	output = zalloc(sizeof *output);
+	if (output == NULL)
 		return -1;
 
 	output->compositor = compositor;
@@ -869,7 +869,7 @@ fbdev_compositor_create(struct wl_display *display, int *argc, char *argv[],
 
 	weston_log("initializing fbdev backend\n");
 
-	compositor = calloc(1, sizeof *compositor);
+	compositor = zalloc(sizeof *compositor);
 	if (compositor == NULL)
 		return NULL;
 
diff --git a/src/compositor-rpi.c b/src/compositor-rpi.c
index 5a8ee028..150e9e1d 100644
--- a/src/compositor-rpi.c
+++ b/src/compositor-rpi.c
@@ -289,8 +289,8 @@ rpi_output_create(struct rpi_compositor *compositor, uint32_t transform)
 	int ret;
 	float mm_width, mm_height;
 
-	output = calloc(1, sizeof *output);
-	if (!output)
+	output = zalloc(sizeof *output);
+	if (output == NULL)
 		return -1;
 
 	output->compositor = compositor;
@@ -459,7 +459,7 @@ rpi_compositor_create(struct wl_display *display, int *argc, char *argv[],
 
 	weston_log("initializing Raspberry Pi backend\n");
 
-	compositor = calloc(1, sizeof *compositor);
+	compositor = zalloc(sizeof *compositor);
 	if (compositor == NULL)
 		return NULL;
 
diff --git a/src/compositor.c b/src/compositor.c
index 10a21697..53f6220e 100644
--- a/src/compositor.c
+++ b/src/compositor.c
@@ -427,7 +427,7 @@ weston_view_create(struct weston_surface *surface)
 {
 	struct weston_view *view;
 
-	view = calloc(1, sizeof *view);
+	view = zalloc(sizeof *view);
 	if (view == NULL)
 		return NULL;
 
@@ -605,7 +605,7 @@ weston_surface_create(struct weston_compositor *compositor)
 {
 	struct weston_surface *surface;
 
-	surface = calloc(1, sizeof *surface);
+	surface = zalloc(sizeof *surface);
 	if (surface == NULL)
 		return NULL;
 
@@ -3066,8 +3066,8 @@ weston_subsurface_create(uint32_t id, struct weston_surface *surface,
 	struct weston_subsurface *sub;
 	struct wl_client *client = wl_resource_get_client(surface->resource);
 
-	sub = calloc(1, sizeof *sub);
-	if (!sub)
+	sub = zalloc(sizeof *sub);
+	if (sub == NULL)
 		return NULL;
 
 	wl_list_init(&sub->unused_views);
@@ -3099,8 +3099,8 @@ weston_subsurface_create_for_parent(struct weston_surface *parent)
 {
 	struct weston_subsurface *sub;
 
-	sub = calloc(1, sizeof *sub);
-	if (!sub)
+	sub = zalloc(sizeof *sub);
+	if (sub == NULL)
 		return NULL;
 
 	weston_subsurface_link_surface(sub, parent);
@@ -3908,8 +3908,8 @@ presentation_feedback(struct wl_client *client,
 
 	surface = wl_resource_get_user_data(surface_resource);
 
-	feedback = calloc(1, sizeof *feedback);
-	if (!feedback)
+	feedback = zalloc(sizeof *feedback);
+	if (feedback == NULL)
 		goto err_calloc;
 
 	feedback->resource = wl_resource_create(client,
diff --git a/src/gl-renderer.c b/src/gl-renderer.c
index 938d4fa9..bb46acd4 100644
--- a/src/gl-renderer.c
+++ b/src/gl-renderer.c
@@ -1413,8 +1413,8 @@ gl_renderer_create_surface(struct weston_surface *surface)
 	struct gl_surface_state *gs;
 	struct gl_renderer *gr = get_renderer(surface->compositor);
 
-	gs = calloc(1, sizeof *gs);
-	if (!gs)
+	gs = zalloc(sizeof *gs);
+	if (gs == NULL)
 		return -1;
 
 	/* A buffer is never attached to solid color surfaces, yet
@@ -1816,9 +1816,8 @@ gl_renderer_output_create(struct weston_output *output,
 		return -1;
 	}
 
-	go = calloc(1, sizeof *go);
-
-	if (!go)
+	go = zalloc(sizeof *go);
+	if (go == NULL)
 		return -1;
 
 	go->egl_surface =
@@ -1979,8 +1978,7 @@ gl_renderer_create(struct weston_compositor *ec, EGLNativeDisplayType display,
 	struct gl_renderer *gr;
 	EGLint major, minor;
 
-	gr = calloc(1, sizeof *gr);
-
+	gr = zalloc(sizeof *gr);
 	if (gr == NULL)
 		return -1;
 
diff --git a/src/logind-util.c b/src/logind-util.c
index 6a1b4989..554e64d9 100644
--- a/src/logind-util.c
+++ b/src/logind-util.c
@@ -834,8 +834,8 @@ weston_logind_connect(struct weston_logind **out,
 	char *t;
 	int r;
 
-	wl = calloc(1, sizeof(*wl));
-	if (!wl) {
+	wl = zalloc(sizeof(*wl));
+	if (wl == NULL) {
 		r = -ENOMEM;
 		goto err_out;
 	}
diff --git a/src/pixman-renderer.c b/src/pixman-renderer.c
index 2c26c3af..530e2ed4 100644
--- a/src/pixman-renderer.c
+++ b/src/pixman-renderer.c
@@ -622,8 +622,8 @@ pixman_renderer_create_surface(struct weston_surface *surface)
 	struct pixman_surface_state *ps;
 	struct pixman_renderer *pr = get_renderer(surface->compositor);
 
-	ps = calloc(1, sizeof *ps);
-	if (!ps)
+	ps = zalloc(sizeof *ps);
+	if (ps == NULL)
 		return -1;
 
 	surface->renderer_state = ps;
@@ -701,7 +701,7 @@ pixman_renderer_init(struct weston_compositor *ec)
 {
 	struct pixman_renderer *renderer;
 
-	renderer = calloc(1, sizeof *renderer);
+	renderer = zalloc(sizeof *renderer);
 	if (renderer == NULL)
 		return -1;
 
@@ -746,10 +746,11 @@ pixman_renderer_output_set_buffer(struct weston_output *output, pixman_image_t *
 WL_EXPORT int
 pixman_renderer_output_create(struct weston_output *output)
 {
-	struct pixman_output_state *po = calloc(1, sizeof *po);
+	struct pixman_output_state *po;
 	int w, h;
 
-	if (!po)
+	po = zalloc(sizeof *po);
+	if (po == NULL)
 		return -1;
 
 	/* set shadow image transformation */
diff --git a/src/rpi-renderer.c b/src/rpi-renderer.c
index 4d0f522f..2feab635 100644
--- a/src/rpi-renderer.c
+++ b/src/rpi-renderer.c
@@ -492,8 +492,8 @@ rpir_surface_create(struct rpi_renderer *renderer)
 {
 	struct rpir_surface *surface;
 
-	surface = calloc(1, sizeof *surface);
-	if (!surface)
+	surface = zalloc(sizeof *surface);
+	if (surface == NULL)
 		return NULL;
 
 	wl_list_init(&surface->views);
@@ -576,8 +576,8 @@ rpir_view_create(struct rpir_surface *surface)
 {
 	struct rpir_view *view;
 
-	view = calloc(1, sizeof *view);
-	if (!view)
+	view = zalloc(sizeof *view);
+	if (view == NULL)
 		return NULL;
 
 	view->surface = surface;
@@ -1549,7 +1549,7 @@ rpi_renderer_attach(struct weston_surface *base, struct weston_buffer *buffer)
 		surface->buffer_type = BUFFER_TYPE_EGL;
 
 		if(surface->egl_back == NULL)
-			surface->egl_back = calloc(1, sizeof *surface->egl_back);
+			surface->egl_back = zalloc(sizeof *surface->egl_back);
 
 		weston_buffer_reference(&surface->egl_back->buffer_ref, buffer);
 		surface->egl_back->resource_handle =
@@ -1725,7 +1725,7 @@ rpi_renderer_create(struct weston_compositor *compositor,
 
 	weston_log("Initializing the DispmanX compositing renderer\n");
 
-	renderer = calloc(1, sizeof *renderer);
+	renderer = zalloc(sizeof *renderer);
 	if (renderer == NULL)
 		return -1;
 
@@ -1797,8 +1797,8 @@ rpi_renderer_output_create(struct weston_output *base,
 
 	assert(base->renderer_state == NULL);
 
-	output = calloc(1, sizeof *output);
-	if (!output)
+	output = zalloc(sizeof *output);
+	if (output == NULL)
 		return -1;
 
 	output->display = display;
diff --git a/src/text-backend.c b/src/text-backend.c
index e9578a41..6246b307 100644
--- a/src/text-backend.c
+++ b/src/text-backend.c
@@ -357,7 +357,9 @@ static void text_input_manager_create_text_input(struct wl_client *client,
 	struct text_input_manager *text_input_manager = wl_resource_get_user_data(resource);
 	struct text_input *text_input;
 
-	text_input = calloc(1, sizeof *text_input);
+	text_input = zalloc(sizeof *text_input);
+	if (text_input == NULL)
+		return;
 
 	text_input->resource =
 		wl_resource_create(client, &wl_text_input_interface, 1, id);
@@ -409,7 +411,9 @@ text_input_manager_create(struct weston_compositor *ec)
 {
 	struct text_input_manager *text_input_manager;
 
-	text_input_manager = calloc(1, sizeof *text_input_manager);
+	text_input_manager = zalloc(sizeof *text_input_manager);
+	if (text_input_manager == NULL)
+		return;
 
 	text_input_manager->ec = ec;
 
@@ -726,7 +730,7 @@ input_method_context_create(struct text_input *model,
 	if (!input_method->input_method_binding)
 		return;
 
-	context = calloc(1, sizeof *context);
+	context = zalloc(sizeof *context);
 	if (context == NULL)
 		return;
 
@@ -913,7 +917,9 @@ handle_seat_created(struct wl_listener *listener,
 	struct input_method *input_method;
 	struct weston_compositor *ec = seat->compositor;
 
-	input_method = calloc(1, sizeof *input_method);
+	input_method = zalloc(sizeof *input_method);
+	if (input_method == NULL)
+		return;
 
 	input_method->seat = seat;
 	input_method->model = NULL;
@@ -972,7 +978,9 @@ text_backend_init(struct weston_compositor *ec)
 {
 	struct text_backend *text_backend;
 
-	text_backend = calloc(1, sizeof(*text_backend));
+	text_backend = zalloc(sizeof(*text_backend));
+	if (text_backend == NULL)
+		return -1;
 
 	text_backend->compositor = ec;
 
diff --git a/src/vaapi-recorder.c b/src/vaapi-recorder.c
index 921494df..a4693912 100644
--- a/src/vaapi-recorder.c
+++ b/src/vaapi-recorder.c
@@ -951,8 +951,8 @@ vaapi_recorder_create(int drm_fd, int width, int height, const char *filename)
 	int major, minor;
 	int flags;
 
-	r = calloc(1, sizeof *r);
-	if (!r)
+	r = zalloc(sizeof *r);
+	if (r == NULL)
 		return NULL;
 
 	r->width = width;