[PATCH] amiserial: Switch put char to return success/fail

Signed-off-by: Alan Cox <alan@???>

diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.25-rc8-mm2/drivers/char/amiserial.c linux-2.6.25-rc8-mm2/drivers/char/amiserial.c
--- linux.vanilla-2.6.25-rc8-mm2/drivers/char/amiserial.c    2008-04-13 15:36:53.000000000 +0100
+++ linux-2.6.25-rc8-mm2/drivers/char/amiserial.c    2008-04-13 15:50:20.000000000 +0100
@@ -832,33 +832,34 @@
    local_irq_restore(flags);
}

-static void rs_put_char(struct tty_struct *tty, unsigned char ch)
+static int rs_put_char(struct tty_struct *tty, unsigned char ch)
{
    struct async_struct *info;
    unsigned long flags;

    if (!tty)
-        return;
+        return 0;

    info = tty->driver_data;

    if (serial_paranoia_check(info, tty->name, "rs_put_char"))
-        return;
+        return 0;

    if (!info->xmit.buf)
-        return;
+        return 0;

    local_irq_save(flags);
    if (CIRC_SPACE(info->xmit.head,
         info->xmit.tail,
         SERIAL_XMIT_SIZE) == 0) {
        local_irq_restore(flags);
-        return;
+        return 0;
    }

    info->xmit.buf[info->xmit.head++] = ch;
    info->xmit.head &= SERIAL_XMIT_SIZE-1;
    local_irq_restore(flags);
+    return 1;
}

static void rs_flush_chars(struct tty_struct *tty)
--
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