diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2021-03-02 07:22:14 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-10 09:34:09 +0100 |
| commit | 6bfbfcfc58005ee12d37b56a5e722618ef6bee8f (patch) | |
| tree | a9cbd9e585a4d35f4df4950968a1dd7082efc7c8 /drivers/tty/ipwireless | |
| parent | 10eb63e5a9b243181f0e87033875f94f3698afda (diff) | |
| download | linux-6bfbfcfc58005ee12d37b56a5e722618ef6bee8f.tar.bz2 | |
tty: make everyone's write_room return >= 0
The tty line disciplines don't expect tty_operations::write_room to
return negative values. Fix the five drivers which violate this.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210302062214.29627-44-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/ipwireless')
| -rw-r--r-- | drivers/tty/ipwireless/tty.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c index 1836746991b5..99bb2f149ff5 100644 --- a/drivers/tty/ipwireless/tty.c +++ b/drivers/tty/ipwireless/tty.c @@ -235,10 +235,10 @@ static int ipw_write_room(struct tty_struct *linux_tty) /* FIXME: Exactly how is the tty object locked here .. */ if (!tty) - return -ENODEV; + return 0; if (!tty->port.count) - return -EINVAL; + return 0; room = IPWIRELESS_TX_QUEUE_SIZE - tty->tx_bytes_queued; if (room < 0) |