diff options
| author | Alan Cox <alan@lxorguk.ukuu.org.uk> | 2008-04-30 09:54:03 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-30 17:29:45 +0200 |
| commit | 76b25a5509bbafdbfc7d7d6b41a3c64947d59360 (patch) | |
| tree | 244786bdb849657dc9ab885c7ac2abb3eb4185d7 /drivers/char/cyclades.c | |
| parent | amiserial: Switch put char to return success/fail (diff) | |
| download | linux-76b25a5509bbafdbfc7d7d6b41a3c64947d59360.tar.xz linux-76b25a5509bbafdbfc7d7d6b41a3c64947d59360.zip | |
char: switch gs, cyclades and esp to return int for put_char
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/cyclades.c')
| -rw-r--r-- | drivers/char/cyclades.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index 571e4fab5bfa..b8fb251f80ee 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -2814,7 +2814,7 @@ static int cy_write(struct tty_struct *tty, const unsigned char *buf, int count) * done stuffing characters into the driver. If there is no room * in the queue, the character is ignored. */ -static void cy_put_char(struct tty_struct *tty, unsigned char ch) +static int cy_put_char(struct tty_struct *tty, unsigned char ch) { struct cyclades_port *info = tty->driver_data; unsigned long flags; @@ -2824,15 +2824,15 @@ static void cy_put_char(struct tty_struct *tty, unsigned char ch) #endif if (serial_paranoia_check(info, tty->name, "cy_put_char")) - return; + return 0; if (!info->xmit_buf) - return; + return 0; spin_lock_irqsave(&info->card->card_lock, flags); if (info->xmit_cnt >= (int)(SERIAL_XMIT_SIZE - 1)) { spin_unlock_irqrestore(&info->card->card_lock, flags); - return; + return 0; } info->xmit_buf[info->xmit_head++] = ch; @@ -2841,6 +2841,7 @@ static void cy_put_char(struct tty_struct *tty, unsigned char ch) info->idle_stats.xmit_bytes++; info->idle_stats.xmit_idle = jiffies; spin_unlock_irqrestore(&info->card->card_lock, flags); + return 1; } /* cy_put_char */ /* |