ubus: Remove unnecessary memset calls.

Replace malloc+memset with calloc.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/libubus.c b/libubus.c
index 9463522..260e40f 100644 (file)
--- a/libubus.c
+++ b/libubus.c
@@ -133,7 +133,7 @@ struct ubus_lookup_request {
 static void ubus_lookup_cb(struct ubus_request *ureq, int type, struct blob_attr *msg)
 {
        struct ubus_lookup_request *req;
-       struct ubus_object_data obj;
+       struct ubus_object_data obj = {};
        struct blob_attr **attr;
 
        req = container_of(ureq, struct ubus_lookup_request, req);
@@ -143,7 +143,6 @@ static void ubus_lookup_cb(struct ubus_request *ureq, int type, struct blob_attr
            !attr[UBUS_ATTR_OBJTYPE])
                return;
 
-       memset(&obj, 0, sizeof(obj));
        obj.id = blob_get_u32(attr[UBUS_ATTR_OBJID]);
        obj.path = blob_data(attr[UBUS_ATTR_OBJPATH]);
        obj.type_id = blob_get_u32(attr[UBUS_ATTR_OBJTYPE]);
@@ -220,7 +219,7 @@ int ubus_register_event_handler(struct ubus_context *ctx,
                                const char *pattern)
 {
        struct ubus_object *obj = &ev->obj;
-       struct blob_buf b2;
+       struct blob_buf b2 = {};
        int ret;
 
        if (!obj->id) {
@@ -236,7 +235,6 @@ int ubus_register_event_handler(struct ubus_context *ctx,
        }
 
        /* use a second buffer, ubus_invoke() overwrites the primary one */
-       memset(&b2, 0, sizeof(b2));
        blob_buf_init(&b2, 0);
        blobmsg_add_u32(&b2, "object", obj->id);
        if (pattern)

diff --git a/lua/ubus.c b/lua/ubus.c
index 74a15b0..cfe9c9b 100644 (file)
--- a/lua/ubus.c
+++ b/lua/ubus.c
@@ -410,11 +410,10 @@ static int ubus_lua_load_methods(lua_State *L, struct ubus_method *m)
        }
 
        /* setup the policy pointers */
-       p = malloc(sizeof(struct blobmsg_policy) * plen);
+       p = calloc(plen, sizeof(struct blobmsg_policy));
        if (!p)
                return 1;
 
-       memset(p, 0, sizeof(struct blobmsg_policy) * plen);
        m->policy = p;
        lua_pushnil(L);
        while (lua_next(L, -2) != 0) {
@@ -481,26 +480,23 @@ static struct ubus_object* ubus_lua_load_object(lua_State *L)
        int midx = 0;
 
        /* setup object pointers */
-       obj = malloc(sizeof(struct ubus_lua_object));
+       obj = calloc(1, sizeof(struct ubus_lua_object));
        if (!obj)
                return NULL;
 
-       memset(obj, 0, sizeof(struct ubus_lua_object));
        obj->o.name = lua_tostring(L, -2);
 
        /* setup method pointers */
-       m = malloc(sizeof(struct ubus_method) * mlen);
-       memset(m, 0, sizeof(struct ubus_method) * mlen);
+       m = calloc(mlen, sizeof(struct ubus_method));
        obj->o.methods = m;
 
        /* setup type pointers */
-       obj->o.type = malloc(sizeof(struct ubus_object_type));
+       obj->o.type = calloc(1, sizeof(struct ubus_object_type));
        if (!obj->o.type) {
                free(obj);
                return NULL;
        }
 
-       memset(obj->o.type, 0, sizeof(struct ubus_object_type));
        obj->o.type->name = lua_tostring(L, -2);
        obj->o.type->id = 0;
        obj->o.type->methods = obj->o.methods;
@@ -715,11 +711,10 @@ ubus_lua_load_event(lua_State *L)
 {
        struct ubus_lua_event* event = NULL;
 
-       event = malloc(sizeof(struct ubus_lua_event));
+       event = calloc(1, sizeof(struct ubus_lua_event));
        if (!event)
                return NULL;
 
-       memset(event, 0, sizeof(struct ubus_lua_event));
        event->e.cb = ubus_event_handler;
 
        /* update the he callback lookup table */
@@ -818,8 +813,7 @@ ubus_lua_do_subscribe( struct ubus_context *ctx, lua_State *L, const char* targe
                lua_error( L );
        }
 
-       sub = malloc( sizeof( struct ubus_lua_subscriber ) );
-       memset( sub, 0, sizeof( struct ubus_lua_subscriber ) );
+       sub = calloc( 1, sizeof( struct ubus_lua_subscriber ) );
        if( !sub ){
                lua_pushstring( L, "Out of memory" );
                lua_error( L );