diff options
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/hvc_console.c | 2 | ||||
| -rw-r--r-- | drivers/char/nozomi.c | 4 | ||||
| -rw-r--r-- | drivers/char/pcmcia/ipwireless/tty.c | 4 |
3 files changed, 4 insertions, 6 deletions
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index 94e7e3c8c05..d97779ef72c 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -552,7 +552,7 @@ static int hvc_chars_in_buffer(struct tty_struct *tty) struct hvc_struct *hp = tty->driver_data; if (!hp) - return -1; + return 0; return hp->n_outbuf; } diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c index 280b41c507a..ec58d8c387f 100644 --- a/drivers/char/nozomi.c +++ b/drivers/char/nozomi.c @@ -1866,16 +1866,14 @@ static s32 ntty_chars_in_buffer(struct tty_struct *tty) { struct port *port = tty->driver_data; struct nozomi *dc = get_dc_by_tty(tty); - s32 rval; + s32 rval = 0; if (unlikely(!dc || !port)) { - rval = -ENODEV; goto exit_in_buffer; } if (unlikely(!port->port.count)) { dev_err(&dc->pdev->dev, "No tty open?\n"); - rval = -ENODEV; goto exit_in_buffer; } diff --git a/drivers/char/pcmcia/ipwireless/tty.c b/drivers/char/pcmcia/ipwireless/tty.c index 569f2f7743a..674b3ab3587 100644 --- a/drivers/char/pcmcia/ipwireless/tty.c +++ b/drivers/char/pcmcia/ipwireless/tty.c @@ -320,10 +320,10 @@ static int ipw_chars_in_buffer(struct tty_struct *linux_tty) struct ipw_tty *tty = linux_tty->driver_data; if (!tty) - return -ENODEV; + return 0; if (!tty->open_count) - return -EINVAL; + return 0; return tty->tx_bytes_queued; } |