From d83114e9754cf5deb3424217ff2f10cace1428e3 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 17 Sep 2012 12:03:39 +0100 Subject: tty: Fix hvc return HVC returns a size of -1 bytes for the write room in some cases. This is bogus and not handled by the tty layer at all. Signed-off-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- drivers/tty/hvc/hvc_console.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/tty/hvc/hvc_console.c') diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c index 7f80f15681cd..4a652999380f 100644 --- a/drivers/tty/hvc/hvc_console.c +++ b/drivers/tty/hvc/hvc_console.c @@ -558,7 +558,7 @@ static int hvc_write_room(struct tty_struct *tty) struct hvc_struct *hp = tty->driver_data; if (!hp) - return -1; + return 0; return hp->outbuf_size - hp->n_outbuf; } -- cgit v1.2.3