FAIL
#define FAIL udbg_printf
#define FAIL pr_debug
#define FAIL 13
FAIL
#define FAIL -1
#define FAIL (-1)
#define FAIL(msg) do { \
#define FAIL(X) return -EINVAL
#undef FAIL
#define FAIL(c, dti, node, ...) \
#define FAIL(fmt...) _FAIL(0, fmt)
FAIL,