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authorAnton Nefedov2017-07-06 14:08:52 +0200
committerPaolo Bonzini2017-07-14 11:04:33 +0200
commit3065070153ef4235659d821c0d6fa28fd0630c57 (patch)
treefa9b9f1378874f727da8faa466946b6ca5d38f23 /chardev
parentchar: forbid direct chardevice access for hotswap devices (diff)
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char: avoid chardevice direct access
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>
Diffstat (limited to 'chardev')
-rw-r--r--chardev/char-fe.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/chardev/char-fe.c b/chardev/char-fe.c
index de5ba3c119..f3af6ae584 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;