diff options
| author | Peter Hurley <peter@hurleysoftware.com> | 2014-11-05 18:12:46 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-06 03:24:10 +0100 |
| commit | 3ff51a199f9e85aed843471bc10dae9e94dbb0fc (patch) | |
| tree | f5e5eae66eb92fe22f9b7da6eb582ceb59bb91c9 /drivers/tty/tty_ldisc.c | |
| parent | tty: Invert tty_lock/ldisc_sem lock order (diff) | |
| download | linux-3ff51a199f9e85aed843471bc10dae9e94dbb0fc.tar.xz linux-3ff51a199f9e85aed843471bc10dae9e94dbb0fc.zip | |
tty: Remove TTY_HUPPING
Now that tty_ldisc_hangup() does not drop the tty lock, it is no
longer possible to observe TTY_HUPPING while holding the tty lock
on another cpu.
Remove TTY_HUPPING bit definition.
Reviewed-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/tty_ldisc.c')
| -rw-r--r-- | drivers/tty/tty_ldisc.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c index 28858ebe2912..49001fa2ea2f 100644 --- a/drivers/tty/tty_ldisc.c +++ b/drivers/tty/tty_ldisc.c @@ -544,8 +544,7 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc) old_ldisc = tty->ldisc; - if (test_bit(TTY_HUPPING, &tty->flags) || - test_bit(TTY_HUPPED, &tty->flags)) { + if (test_bit(TTY_HUPPED, &tty->flags)) { /* We were raced by the hangup method. It will have stomped the ldisc data and closed the ldisc down */ tty_ldisc_enable_pair(tty, o_tty); |