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pcmcia: serial to int put_char method

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Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Paul Fulghum <paulkf@microgate.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>
This commit is contained in:
Alan Cox 2008-04-30 00:54:04 -07:00 committed by Linus Torvalds
parent 0be2eadee7
commit d7e752e275
1 changed files with 4 additions and 3 deletions
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7
drivers/char/pcmcia/synclink_cs.c
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@ -1545,7 +1545,7 @@ static void mgslpc_change_params(MGSLPC_INFO *info)
/* Add a character to the transmit buffer
*/
static void mgslpc_put_char(struct tty_struct *tty, unsigned char ch)
static int mgslpc_put_char(struct tty_struct *tty, unsigned char ch)
{
MGSLPC_INFO *info = (MGSLPC_INFO *)tty->driver_data;
unsigned long flags;
@ -1556,10 +1556,10 @@ static void mgslpc_put_char(struct tty_struct *tty, unsigned char ch)
}
if (mgslpc_paranoia_check(info, tty->name, "mgslpc_put_char"))
return;
return 0;
if (!info->tx_buf)
return;
return 0;
spin_lock_irqsave(&info->lock,flags);
@ -1572,6 +1572,7 @@ static void mgslpc_put_char(struct tty_struct *tty, unsigned char ch)
}
spin_unlock_irqrestore(&info->lock,flags);
return 1;
}
/* Enable transmitter so remaining characters in the