aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--hw/syborg_virtio.c4
-rw-r--r--hw/virtio-pci.c4
-rw-r--r--hw/virtio.c4
3 files changed, 7 insertions, 5 deletions
diff --git a/hw/syborg_virtio.c b/hw/syborg_virtio.c
index 2f3e6da4e2..00c7be8c8f 100644
--- a/hw/syborg_virtio.c
+++ b/hw/syborg_virtio.c
@@ -146,7 +146,9 @@ static void syborg_virtio_writel(void *opaque, target_phys_addr_t offset,
vdev->queue_sel = value;
break;
case SYBORG_VIRTIO_QUEUE_NOTIFY:
- virtio_queue_notify(vdev, value);
+ if (value < VIRTIO_PCI_QUEUE_MAX) {
+ virtio_queue_notify(vdev, value);
+ }
break;
case SYBORG_VIRTIO_STATUS:
virtio_set_status(vdev, value & 0xFF);
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index 270e2c7438..b86c441623 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -348,7 +348,9 @@ static void virtio_ioport_write(void *opaque, uint32_t addr, uint32_t val)
vdev->queue_sel = val;
break;
case VIRTIO_PCI_QUEUE_NOTIFY:
- virtio_queue_notify(vdev, val);
+ if (val < VIRTIO_PCI_QUEUE_MAX) {
+ virtio_queue_notify(vdev, val);
+ }
break;
case VIRTIO_PCI_STATUS:
if (!(val & VIRTIO_CONFIG_S_DRIVER_OK)) {
diff --git a/hw/virtio.c b/hw/virtio.c
index 6e8814cb64..a6518606c3 100644
--- a/hw/virtio.c
+++ b/hw/virtio.c
@@ -585,9 +585,7 @@ void virtio_queue_notify_vq(VirtQueue *vq)
void virtio_queue_notify(VirtIODevice *vdev, int n)
{
- if (n < VIRTIO_PCI_QUEUE_MAX) {
- virtio_queue_notify_vq(&vdev->vq[n]);
- }
+ virtio_queue_notify_vq(&vdev->vq[n]);
}
uint16_t virtio_queue_vector(VirtIODevice *vdev, int n)