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| author | Peter Hurley <peter@hurleysoftware.com> | 2013-06-15 15:14:13 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-24 01:42:59 +0200 |
| commit | 3b80df7ca7e2fec76be2eda304cc7e0eb90f911d (patch) | |
| tree | c3f50fa148d5cd9e77f66d0f02666396bcd51178 /drivers/tty/tty_ldisc.c | |
| parent | tty: Clarify multiple-references comment in TIOCSETD ioctl (diff) | |
| download | linux-3b80df7ca7e2fec76be2eda304cc7e0eb90f911d.tar.xz linux-3b80df7ca7e2fec76be2eda304cc7e0eb90f911d.zip | |
tty: Don't change receive_room for ioctl(TIOCSETD)
tty_set_ldisc() is guaranteed exclusive use of the line discipline
by tty_ldisc_lock_pair_timeout(); shutting off input by resetting
receive_room is unnecessary.
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, 0 insertions, 3 deletions
diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c index 75fa99978348..e52d61573553 100644 --- a/drivers/tty/tty_ldisc.c +++ b/drivers/tty/tty_ldisc.c @@ -540,9 +540,6 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc) return 0; } - /* FIXME: why 'shutoff' input if the ldisc is locked? */ - tty->receive_room = 0; - old_ldisc = tty->ldisc; tty_lock(tty); |