Lines Matching refs:kbuf
2118 static ssize_t n_tty_continue_cookie(struct tty_struct *tty, u8 *kbuf, in n_tty_continue_cookie() argument
2122 u8 *kb = kbuf; in n_tty_continue_cookie()
2132 return kb - kbuf; in n_tty_continue_cookie()
2135 return kb - kbuf; in n_tty_continue_cookie()
2145 return kb - kbuf; in n_tty_continue_cookie()
2195 static ssize_t n_tty_read(struct tty_struct *tty, struct file *file, u8 *kbuf, in n_tty_read() argument
2199 u8 *kb = kbuf; in n_tty_read()
2209 return n_tty_continue_cookie(tty, kbuf, nr, cookie); in n_tty_read()
2248 if (kb != kbuf) in n_tty_read()
2279 if (packet && kb == kbuf) { in n_tty_read()
2284 if (copy_from_read_buf(tty, &kb, &nr) && kb - kbuf >= minimum) in n_tty_read()
2290 if (kb - kbuf >= minimum) in n_tty_read()
2308 if (kb - kbuf) in n_tty_read()
2309 retval = kb - kbuf; in n_tty_read()
2323 return kb - kbuf; in n_tty_read()