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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-03-23 08:02:55 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-03-23 08:02:55 +0100 |
| commit | cbf580ff093861f021b31b2f8d0f03173fb58520 (patch) | |
| tree | 948a7b6424e580979763c8576fee0bb7c326b0db /drivers/tty | |
| parent | db1032f7e485ea95b83ad66bb3d1675ad66de77f (diff) | |
| parent | 16fbf79b0f83bc752cee8589279f1ebfe57b3b6e (diff) | |
| download | linux-stable-cbf580ff093861f021b31b2f8d0f03173fb58520.tar.gz linux-stable-cbf580ff093861f021b31b2f8d0f03173fb58520.tar.bz2 linux-stable-cbf580ff093861f021b31b2f8d0f03173fb58520.zip | |
Merge 5.6-rc7 into tty-next
We need the tty fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/tty_io.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index a1453fe10862..5a6f36b391d9 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -1589,9 +1589,7 @@ void tty_kclose(struct tty_struct *tty) tty_debug_hangup(tty, "freeing structure\n"); /* * The release_tty function takes care of the details of clearing - * the slots and preserving the termios structure. The tty_unlock_pair - * should be safe as we keep a kref while the tty is locked (so the - * unlock never unlocks a freed tty). + * the slots and preserving the termios structure. */ mutex_lock(&tty_mutex); tty_port_set_kopened(tty->port, 0); @@ -1621,9 +1619,7 @@ void tty_release_struct(struct tty_struct *tty, int idx) tty_debug_hangup(tty, "freeing structure\n"); /* * The release_tty function takes care of the details of clearing - * the slots and preserving the termios structure. The tty_unlock_pair - * should be safe as we keep a kref while the tty is locked (so the - * unlock never unlocks a freed tty). + * the slots and preserving the termios structure. */ mutex_lock(&tty_mutex); release_tty(tty, idx); @@ -2734,9 +2730,11 @@ static int compat_tty_tiocgserial(struct tty_struct *tty, struct serial_struct32 v32; struct serial_struct v; int err; - memset(&v, 0, sizeof(struct serial_struct)); - if (!tty->ops->set_serial) + memset(&v, 0, sizeof(v)); + memset(&v32, 0, sizeof(v32)); + + if (!tty->ops->get_serial) return -ENOTTY; err = tty->ops->get_serial(tty, &v); if (!err) { |