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| author | Jason Gunthorpe <jgg@mellanox.com> | 2018-12-11 14:24:57 -0700 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-12-11 14:24:57 -0700 |
| commit | 28ab1bb0e8f031dd7dd3462ff8f6b2e93fc77e7f (patch) | |
| tree | 3c0d2177d9bfc513c2d06c1efb5ab62c74fd1953 /drivers/tty/tty_io.c | |
| parent | b874155a5fa450bf5e4b5303cbfff05958805bf8 (diff) | |
| parent | 40e020c129cfc991e8ab4736d2665351ffd1468d (diff) | |
Merge tag 'v4.20-rc6' into rdma.git for-next
For dependencies in following patches.
Diffstat (limited to 'drivers/tty/tty_io.c')
| -rw-r--r-- | drivers/tty/tty_io.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index ee80dfbd5442..687250ec8032 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -1373,7 +1373,13 @@ err_release_lock: return ERR_PTR(retval); } -static void tty_free_termios(struct tty_struct *tty) +/** + * tty_save_termios() - save tty termios data in driver table + * @tty: tty whose termios data to save + * + * Locking: Caller guarantees serialisation with tty_init_termios(). + */ +void tty_save_termios(struct tty_struct *tty) { struct ktermios *tp; int idx = tty->index; @@ -1392,6 +1398,7 @@ static void tty_free_termios(struct tty_struct *tty) } *tp = tty->termios; } +EXPORT_SYMBOL_GPL(tty_save_termios); /** * tty_flush_works - flush all works of a tty/pty pair @@ -1491,7 +1498,7 @@ static void release_tty(struct tty_struct *tty, int idx) WARN_ON(!mutex_is_locked(&tty_mutex)); if (tty->ops->shutdown) tty->ops->shutdown(tty); - tty_free_termios(tty); + tty_save_termios(tty); tty_driver_remove_tty(tty->driver, tty); tty->port->itty = NULL; if (tty->link) |