From 1ef7c96ee2133753f4aa48617ddbef10d5a88fc9 Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Mon, 11 Dec 2017 01:19:50 +0100 Subject: baum: Truncate braille device size to 84x1 Baum device bigger than 84 do not actually exist, but the user's own Braille device might be wider than 84 columns. Some guest drivers would be upset by such sizes, so clamp the device size. Signed-off-by: Samuel Thibault Message-Id: <20171211001950.27843-1-samuel.thibault@ens-lyon.org> Signed-off-by: Paolo Bonzini --- chardev/baum.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'chardev') diff --git a/chardev/baum.c b/chardev/baum.c index 67fd783..78b0c87 100644 --- a/chardev/baum.c +++ b/chardev/baum.c @@ -1,7 +1,7 @@ /* * QEMU Baum Braille Device * - * Copyright (c) 2008, 2010-2011, 2016 Samuel Thibault + * Copyright (c) 2008, 2010-2011, 2016-2017 Samuel Thibault * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -239,6 +239,12 @@ static int baum_deferred_init(BaumChardev *baum) brlapi_perror("baum: brlapi__getDisplaySize"); return 0; } + if (baum->y > 1) { + baum->y = 1; + } + if (baum->x > 84) { + baum->x = 84; + } con = qemu_console_lookup_by_index(0); if (con && qemu_console_is_graphic(con)) { -- cgit v1.1