kernel/drivers/tty/n_null.c
.. .. @@ -20,7 +20,8 @@ 20 20 } 21 21 22 22 static ssize_t n_null_read(struct tty_struct *tty, struct file *file, 23 - unsigned char __user * buf, size_t nr)23 + unsigned char *buf, size_t nr,24 + void **cookie, unsigned long offset)24 25 { 25 26 return -EOPNOTSUPP; 26 27 }