diff options
Diffstat (limited to 'drivers/tty/n_tty.c')
| -rw-r--r-- | drivers/tty/n_tty.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 9e546d0cc55c..e508c4672bcf 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -391,6 +391,7 @@ static inline int is_utf8_continuation(unsigned char c) /** * is_continuation - multibyte check * @c: byte to check + * @tty: terminal device * * Returns true if the utf8 character 'c' is a multibyte continuation * character and the terminal is in unicode mode. @@ -1663,6 +1664,7 @@ static void __receive_buf(struct tty_struct *tty, const unsigned char *cp, * @cp: input chars * @fp: flags for each char (if NULL, all chars are TTY_NORMAL) * @count: number of input chars in @cp + * @flow: enable flow control * * Called by the terminal driver when a block of characters has * been received. This function must be called from soft contexts @@ -1887,8 +1889,10 @@ static void n_tty_close(struct tty_struct *tty) if (tty->link) n_tty_packet_mode_flush(tty); + down_write(&tty->termios_rwsem); vfree(ldata); tty->disc_data = NULL; + up_write(&tty->termios_rwsem); } /** |