From: Jian-Hong Pan <starnight@xxxxxxxxxxxx> Date: Thu, 15 Nov 2018 00:01:23 +0800 > +#define lrw_get_mac_cb(skb) ((struct lrw_mac_cb *)skb->cb) Please make this a static inline function. If the identifier is all lowercase programmers expect it to be real code not a CPP macro. > +#define LORAWAN_MODULE_NAME "lorawan" > + > +#define LRW_DBG_STR(fmt) LORAWAN_MODULE_NAME": "fmt > +#define lrw_info(fmt, ...) (pr_info(LRW_DBG_STR(fmt), ##__VA_ARGS__)) > +#define lrw_dbg(fmt, ...) (pr_debug(LRW_DBG_STR(fmt), ##__VA_ARGS__)) Just define "pr_fmt()" appropriately and you don't need to play these kinds of games. Set pr_fmt() and call pr_info() and pr_debug() directly.