* [PATCH] mxser: switch to put_char being int
@ 2008-04-13 17:13 Alan Cox
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From: Alan Cox @ 2008-04-13 17:13 UTC (permalink / raw)
To: akpm, linux-kernel
Signed-off-by: Alan Cox <alan@redhat.com>
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.25-rc8-mm2/drivers/char/mxser.c linux-2.6.25-rc8-mm2/drivers/char/mxser.c
--- linux.vanilla-2.6.25-rc8-mm2/drivers/char/mxser.c 2008-04-13 15:36:53.000000000 +0100
+++ linux-2.6.25-rc8-mm2/drivers/char/mxser.c 2008-04-13 15:41:04.000000000 +0100
@@ -1289,16 +1289,16 @@
return total;
}
-static void mxser_put_char(struct tty_struct *tty, unsigned char ch)
+static int mxser_put_char(struct tty_struct *tty, unsigned char ch)
{
struct mxser_port *info = tty->driver_data;
unsigned long flags;
if (!info->xmit_buf)
- return;
+ return 0;
if (info->xmit_cnt >= SERIAL_XMIT_SIZE - 1)
- return;
+ return 0;
spin_lock_irqsave(&info->slock, flags);
info->xmit_buf[info->xmit_head++] = ch;
@@ -1316,6 +1316,7 @@
spin_unlock_irqrestore(&info->slock, flags);
}
}
+ return 1;
}
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2008-04-13 17:13 [PATCH] mxser: switch to put_char being int Alan Cox
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