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[Qemu-devel] [PATCH v8 2/3] virtio-rng: Keep the default backend out of
From: |
Laurent Vivier |
Subject: |
[Qemu-devel] [PATCH v8 2/3] virtio-rng: Keep the default backend out of VirtIORNGConf |
Date: |
Tue, 20 Aug 2019 18:06:14 +0200 |
From: Markus Armbruster <address@hidden>
The default backend is only used within virtio_rng_device_realize().
Replace VirtIORNGConf member default_backend by a local variable.
Adjust its type to reduce conversions.
While there, pass &error_abort instead of NULL when failure would be a
programming error.
Signed-off-by: Markus Armbruster <address@hidden>
Signed-off-by: Laurent Vivier <address@hidden>
---
hw/virtio/virtio-rng.c | 20 +++++++++-----------
include/hw/virtio/virtio-rng.h | 2 --
2 files changed, 9 insertions(+), 13 deletions(-)
diff --git a/hw/virtio/virtio-rng.c b/hw/virtio/virtio-rng.c
index d1650e1dee19..fcf3b2e32912 100644
--- a/hw/virtio/virtio-rng.c
+++ b/hw/virtio/virtio-rng.c
@@ -19,6 +19,7 @@
#include "hw/virtio/virtio-rng.h"
#include "sysemu/rng.h"
#include "sysemu/runstate.h"
+#include "sysemu/rng-random.h"
#include "qom/object_interfaces.h"
#include "trace.h"
@@ -192,27 +193,24 @@ static void virtio_rng_device_realize(DeviceState *dev,
Error **errp)
}
if (vrng->conf.rng == NULL) {
- vrng->conf.default_backend = RNG_RANDOM(object_new(TYPE_RNG_RANDOM));
+ Object *default_backend = object_new(TYPE_RNG_RANDOM);
- user_creatable_complete(USER_CREATABLE(vrng->conf.default_backend),
+ user_creatable_complete(USER_CREATABLE(default_backend),
&local_err);
if (local_err) {
error_propagate(errp, local_err);
- object_unref(OBJECT(vrng->conf.default_backend));
+ object_unref(default_backend);
return;
}
- object_property_add_child(OBJECT(dev),
- "default-backend",
- OBJECT(vrng->conf.default_backend),
- NULL);
+ object_property_add_child(OBJECT(dev), "default-backend",
+ default_backend, &error_abort);
/* The child property took a reference, we can safely drop ours now */
- object_unref(OBJECT(vrng->conf.default_backend));
+ object_unref(default_backend);
- object_property_set_link(OBJECT(dev),
- OBJECT(vrng->conf.default_backend),
- "rng", NULL);
+ object_property_set_link(OBJECT(dev), default_backend,
+ "rng", &error_abort);
}
vrng->rng = vrng->conf.rng;
diff --git a/include/hw/virtio/virtio-rng.h b/include/hw/virtio/virtio-rng.h
index ff699335e3b9..bd05d734b87d 100644
--- a/include/hw/virtio/virtio-rng.h
+++ b/include/hw/virtio/virtio-rng.h
@@ -14,7 +14,6 @@
#include "hw/virtio/virtio.h"
#include "sysemu/rng.h"
-#include "sysemu/rng-random.h"
#include "standard-headers/linux/virtio_rng.h"
#define TYPE_VIRTIO_RNG "virtio-rng-device"
@@ -27,7 +26,6 @@ struct VirtIORNGConf {
RngBackend *rng;
uint64_t max_bytes;
uint32_t period_ms;
- RngRandom *default_backend;
};
typedef struct VirtIORNG {
--
2.21.0