Commit d83114e9 authored Sep 17, 2012 by Alan Cox Committed by Greg Kroah-Hartman Sep 17, 2012

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 <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 7ac3c93e

drivers/tty/hvc/hvc_console.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;
		}