[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH] hw/virtio: Have virtio_bus_get_vdev_bad_features() return 64-bit
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH] hw/virtio: Have virtio_bus_get_vdev_bad_features() return 64-bit value |
Date: |
Thu, 20 May 2021 12:28:22 +0200 |
In commit 019a3edbb25 ("virtio: make features 64bit wide") we
increased the 'features' field to 64-bit, but forgot to update
the virtio_bus_get_vdev_bad_features() helper. The 'bad features'
are truncated to 32-bit. The virtio_net_bad_features() handler
from the virtio-net devices is potentially affected.
Have the virtio_bus_get_vdev_bad_features() helper return the
full 64-bit value.
Cc: qemu-stable@nongnu.org
Fixes: 019a3edbb25 ("virtio: make features 64bit wide")
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
include/hw/virtio/virtio-bus.h | 2 +-
hw/virtio/virtio-bus.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/hw/virtio/virtio-bus.h b/include/hw/virtio/virtio-bus.h
index ef8abe49c5a..f9955ff577a 100644
--- a/include/hw/virtio/virtio-bus.h
+++ b/include/hw/virtio/virtio-bus.h
@@ -122,7 +122,7 @@ uint16_t virtio_bus_get_vdev_id(VirtioBusState *bus);
/* Get the config_len field of the plugged device. */
size_t virtio_bus_get_vdev_config_len(VirtioBusState *bus);
/* Get bad features of the plugged device. */
-uint32_t virtio_bus_get_vdev_bad_features(VirtioBusState *bus);
+uint64_t virtio_bus_get_vdev_bad_features(VirtioBusState *bus);
/* Get config of the plugged device. */
void virtio_bus_get_vdev_config(VirtioBusState *bus, uint8_t *config);
/* Set config of the plugged device. */
diff --git a/hw/virtio/virtio-bus.c b/hw/virtio/virtio-bus.c
index 859978d2487..25a2b68a234 100644
--- a/hw/virtio/virtio-bus.c
+++ b/hw/virtio/virtio-bus.c
@@ -134,7 +134,7 @@ size_t virtio_bus_get_vdev_config_len(VirtioBusState *bus)
}
/* Get bad features of the plugged device. */
-uint32_t virtio_bus_get_vdev_bad_features(VirtioBusState *bus)
+uint64_t virtio_bus_get_vdev_bad_features(VirtioBusState *bus)
{
VirtIODevice *vdev = virtio_bus_get_device(bus);
VirtioDeviceClass *k;
--
2.26.3
- [PATCH] hw/virtio: Have virtio_bus_get_vdev_bad_features() return 64-bit value,
Philippe Mathieu-Daudé <=