diff options
| author | Alan Cox <alan@lxorguk.ukuu.org.uk> | 2008-04-30 00:54:09 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-30 08:29:46 -0700 |
| commit | f2545a75632d18d62aa287b9e5d207255cc8bffc (patch) | |
| tree | 21f93a2b8a9412fc636e0e8b2cb893294fb5d918 | |
| parent | 5d19f546e7b6f0976f957780f2687c55668f4495 (diff) | |
isdn: switch to int put_char method
Signed-off-by: Alan Cox <alan@redhat.com>
Acked-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/isdn/capi/capi.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c index 24c6b7ca62be..6ca0bb949ad3 100644 --- a/drivers/isdn/capi/capi.c +++ b/drivers/isdn/capi/capi.c @@ -1111,11 +1111,12 @@ static int capinc_tty_write(struct tty_struct * tty, return count; } -static void capinc_tty_put_char(struct tty_struct *tty, unsigned char ch) +static int capinc_tty_put_char(struct tty_struct *tty, unsigned char ch) { struct capiminor *mp = (struct capiminor *)tty->driver_data; struct sk_buff *skb; unsigned long flags; + int ret = 1; #ifdef _DEBUG_TTYFUNCS printk(KERN_DEBUG "capinc_put_char(%u)\n", ch); @@ -1125,7 +1126,7 @@ static void capinc_tty_put_char(struct tty_struct *tty, unsigned char ch) #ifdef _DEBUG_TTYFUNCS printk(KERN_DEBUG "capinc_tty_put_char: mp or mp->ncci NULL\n"); #endif - return; + return 0; } spin_lock_irqsave(&workaround_lock, flags); @@ -1134,7 +1135,7 @@ static void capinc_tty_put_char(struct tty_struct *tty, unsigned char ch) if (skb_tailroom(skb) > 0) { *(skb_put(skb, 1)) = ch; spin_unlock_irqrestore(&workaround_lock, flags); - return; + return 1; } mp->ttyskb = NULL; skb_queue_tail(&mp->outqueue, skb); @@ -1148,8 +1149,10 @@ static void capinc_tty_put_char(struct tty_struct *tty, unsigned char ch) mp->ttyskb = skb; } else { printk(KERN_ERR "capinc_put_char: char %u lost\n", ch); + ret = 0; } spin_unlock_irqrestore(&workaround_lock, flags); + return ret; } static void capinc_tty_flush_chars(struct tty_struct *tty) |