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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>
This commit is contained in:
Anton Nefedov 2017-07-06 15:08:52 +03:00 • committed by Paolo Bonzini
parent 7c44a2a9d1
commit 3065070153
24 changed files with 41 additions and 32 deletions
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2
hw/char/parallel.c
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@ -513,7 +513,7 @@ static void parallel_isa_realizefn(DeviceState *dev, Error **errp)
int base;
uint8_t dummy;
if (!qemu_chr_fe_get_driver(&s->chr)) {
if (!qemu_chr_fe_backend_connected(&s->chr)) {
error_setg(errp, "Can't create parallel device, empty char device");
return;
}