[PATCH libdrm 2/3] modetest: replace malloc + memset with calloc

[Emil Velikov]

Signed-off-by: Emil Velikov <emil.l.velikov at gmail.com>
---
 tests/modetest/buffers.c  |  2 +-
 tests/modetest/modetest.c | 27 +++++++++------------------
 2 files changed, 10 insertions(+), 19 deletions(-)

diff --git a/tests/modetest/buffers.c b/tests/modetest/buffers.c
index 878b64e..e887fb2 100644
--- a/tests/modetest/buffers.c
+++ b/tests/modetest/buffers.c
@@ -1022,7 +1022,7 @@ bo_create_dumb(int fd, unsigned int width, unsigned int height, unsigned int bpp
 	struct bo *bo;
 	int ret;
 
-	bo = malloc(sizeof(*bo));
+	bo = calloc(1, sizeof(*bo));
 	if (bo == NULL) {
 		fprintf(stderr, "failed to allocate buffer object\n");
 		return NULL;
diff --git a/tests/modetest/modetest.c b/tests/modetest/modetest.c
index e4a8bbc..57be810 100644
--- a/tests/modetest/modetest.c
+++ b/tests/modetest/modetest.c
@@ -561,12 +561,10 @@ static struct resources *get_resources(struct device *dev)
 	struct resources *res;
 	int i;
 
-	res = malloc(sizeof *res);
+	res = calloc(1, sizeof(*res));
 	if (res == 0)
 		return NULL;
 
-	memset(res, 0, sizeof *res);
-
 	drmSetClientCap(dev->fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
 
 	res->res = drmModeGetResources(dev->fd);
@@ -576,19 +574,14 @@ static struct resources *get_resources(struct device *dev)
 		goto error;
 	}
 
-	res->crtcs = malloc(res->res->count_crtcs * sizeof *res->crtcs);
-	res->encoders = malloc(res->res->count_encoders * sizeof *res->encoders);
-	res->connectors = malloc(res->res->count_connectors * sizeof *res->connectors);
-	res->fbs = malloc(res->res->count_fbs * sizeof *res->fbs);
+	res->crtcs = calloc(res->res->count_crtcs, sizeof(*res->crtcs));
+	res->encoders = calloc(res->res->count_encoders, sizeof(*res->encoders));
+	res->connectors = calloc(res->res->count_connectors, sizeof(*res->connectors));
+	res->fbs = calloc(res->res->count_fbs, sizeof(*res->fbs));
 
 	if (!res->crtcs || !res->encoders || !res->connectors || !res->fbs)
 		goto error;
 
-	memset(res->crtcs , 0, res->res->count_crtcs * sizeof *res->crtcs);
-	memset(res->encoders, 0, res->res->count_encoders * sizeof *res->encoders);
-	memset(res->connectors, 0, res->res->count_connectors * sizeof *res->connectors);
-	memset(res->fbs, 0, res->res->count_fbs * sizeof *res->fbs);
-
 #define get_resource(_res, __res, type, Type)					\
 	do {									\
 		int i;								\
@@ -623,8 +616,8 @@ static struct resources *get_resources(struct device *dev)
 					strerror(errno));			\
 				continue;					\
 			}							\
-			obj->props_info = malloc(obj->props->count_props *	\
-						 sizeof *obj->props_info);	\
+			obj->props_info = calloc(obj->props->count_props,	\
+						 sizeof(*obj->props_info));	\
 			if (!obj->props_info)					\
 				continue;					\
 			for (j = 0; j < obj->props->count_props; ++j)		\
@@ -646,12 +639,10 @@ static struct resources *get_resources(struct device *dev)
 		return res;
 	}
 
-	res->planes = malloc(res->plane_res->count_planes * sizeof *res->planes);
+	res->planes = calloc(res->plane_res->count_planes, sizeof(*res->planes));
 	if (!res->planes)
 		goto error;
 
-	memset(res->planes, 0, res->plane_res->count_planes * sizeof *res->planes);
-
 	get_resource(res, plane_res, plane, Plane);
 	get_properties(res, plane_res, plane, PLANE);
 
@@ -1313,7 +1304,7 @@ static int parse_connector(struct pipe_arg *pipe, const char *arg)
 			pipe->num_cons++;
 	}
 
-	pipe->con_ids = malloc(pipe->num_cons * sizeof *pipe->con_ids);
+	pipe->con_ids = calloc(pipe->num_cons, sizeof(*pipe->con_ids));
 	if (pipe->con_ids == NULL)
 		return -1;
 
-- 
2.3.5