Use calloc instead of malloc/memset-0

This patch has been generated by the following Coccinelle semantic
patch:

@@
expression E;
identifier I;
@@
- I = malloc(E);
+ I = calloc(1, E);
...
- memset(I, 0, sizeof *I);

Reviewed-by: Brian Paul <[email protected]>

4 files changed, 6 insertions, 17 deletions

diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index f99bcad3081..4b58c35b46b 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -1477,12 +1477,10 @@ _eglBuiltInDriverDRI2(const char *args)
 
    (void) args;
 
-   dri2_drv = malloc(sizeof *dri2_drv);
+   dri2_drv = calloc(1, sizeof *dri2_drv);
    if (!dri2_drv)
       return NULL;
 
-   memset(dri2_drv, 0, sizeof *dri2_drv);
-
    if (!dri2_load(&dri2_drv->base)) {
       free(dri2_drv);
       return NULL;
diff --git a/src/egl/drivers/dri2/platform_drm.c b/src/egl/drivers/dri2/platform_drm.c
index 9aafb525b93..3e04a6cdcb0 100644
--- a/src/egl/drivers/dri2/platform_drm.c
+++ b/src/egl/drivers/dri2/platform_drm.c
@@ -96,13 +96,12 @@ dri2_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
 
    (void) drv;
 
-   dri2_surf = malloc(sizeof *dri2_surf);
+   dri2_surf = calloc(1, sizeof *dri2_surf);
    if (!dri2_surf) {
       _eglError(EGL_BAD_ALLOC, "dri2_create_surface");
       return NULL;
    }
 
-   memset(dri2_surf, 0, sizeof *dri2_surf);
    if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list))
       goto cleanup_surf;
 
@@ -399,12 +398,10 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
    int fd = -1;
    int i;
 
-   dri2_dpy = malloc(sizeof *dri2_dpy);
+   dri2_dpy = calloc(1, sizeof *dri2_dpy);
    if (!dri2_dpy)
       return _eglError(EGL_BAD_ALLOC, "eglInitialize");
 
-   memset(dri2_dpy, 0, sizeof *dri2_dpy);
-
    disp->DriverData = (void *) dri2_dpy;
 
    gbm = disp->PlatformDisplay;
diff --git a/src/egl/drivers/dri2/platform_wayland.c b/src/egl/drivers/dri2/platform_wayland.c
index d291f0ffa40..d9b45f1cec2 100644
--- a/src/egl/drivers/dri2/platform_wayland.c
+++ b/src/egl/drivers/dri2/platform_wayland.c
@@ -813,12 +813,10 @@ dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp)
    drv->API.CreateImageKHR = dri2_wayland_create_image_khr;
    drv->API.Terminate = dri2_terminate;
 
-   dri2_dpy = malloc(sizeof *dri2_dpy);
+   dri2_dpy = calloc(1, sizeof *dri2_dpy);
    if (!dri2_dpy)
       return _eglError(EGL_BAD_ALLOC, "eglInitialize");
 
-   memset(dri2_dpy, 0, sizeof *dri2_dpy);
-
    disp->DriverData = (void *) dri2_dpy;
    if (disp->PlatformDisplay == NULL) {
       dri2_dpy->wl_dpy = wl_display_connect(NULL);
diff --git a/src/egl/drivers/dri2/platform_x11.c b/src/egl/drivers/dri2/platform_x11.c
index f7dc89dc992..25337741437 100644
--- a/src/egl/drivers/dri2/platform_x11.c
+++ b/src/egl/drivers/dri2/platform_x11.c
@@ -980,12 +980,10 @@ dri2_initialize_x11_swrast(_EGLDriver *drv, _EGLDisplay *disp)
    drv->API.CreateDRMImageMESA = NULL;
    drv->API.ExportDRMImageMESA = NULL;
 
-   dri2_dpy = malloc(sizeof *dri2_dpy);
+   dri2_dpy = calloc(1, sizeof *dri2_dpy);
    if (!dri2_dpy)
       return _eglError(EGL_BAD_ALLOC, "eglInitialize");
 
-   memset(dri2_dpy, 0, sizeof *dri2_dpy);
-
    disp->DriverData = (void *) dri2_dpy;
    if (disp->PlatformDisplay == NULL) {
       dri2_dpy->conn = xcb_connect(0, 0);
@@ -1056,12 +1054,10 @@ dri2_initialize_x11_dri2(_EGLDriver *drv, _EGLDisplay *disp)
    drv->API.PostSubBufferNV = dri2_post_sub_buffer;
    drv->API.SwapInterval = dri2_swap_interval;
 
-   dri2_dpy = malloc(sizeof *dri2_dpy);
+   dri2_dpy = calloc(1, sizeof *dri2_dpy);
    if (!dri2_dpy)
       return _eglError(EGL_BAD_ALLOC, "eglInitialize");
 
-   memset(dri2_dpy, 0, sizeof *dri2_dpy);
-
    disp->DriverData = (void *) dri2_dpy;
    if (disp->PlatformDisplay == NULL) {
       dri2_dpy->conn = xcb_connect(0, 0);