From 3065070153ef4235659d821c0d6fa28fd0630c57 Mon Sep 17 00:00:00 2001
From: Anton Nefedov <anton.nefedov@virtuozzo.com>
Date: Thu, 6 Jul 2017 15:08:52 +0300
Subject: char: avoid chardevice direct access
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frontends should avoid accessing CharDriver struct where possible

Signed-off-by: Anton Nefedov <anton.nefedov@virtuozzo.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <1499342940-56739-6-git-send-email-anton.nefedov@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 chardev/char-fe.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'chardev')

diff --git a/chardev/char-fe.c b/chardev/char-fe.c
index de5ba3c..f3af6ae 100644
--- a/chardev/char-fe.c
+++ b/chardev/char-fe.c
@@ -189,6 +189,11 @@ bool qemu_chr_fe_backend_connected(CharBackend *be)
     return !!be->chr;
 }
 
+bool qemu_chr_fe_backend_open(CharBackend *be)
+{
+    return be->chr && be->chr->be_open;
+}
+
 bool qemu_chr_fe_init(CharBackend *b, Chardev *s, Error **errp)
 {
     int tag = 0;
-- 
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