static int __init ipddp_init_module(void) { dev_ipddp = ipddp_init(); if (IS_ERR(dev_ipddp)) return PTR_ERR(dev_ipddp); return 0; }
static int __init ipddp_init_module(void) { dev_ipddp = ipddp_init(); return PTR_ERR_OR_ZERO(dev_ipddp); }