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authorPaolo Bonzini <pbonzini@redhat.com>2012-10-08 16:50:51 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2012-11-12 15:00:27 +0100
commitcd41a671b370a3dd603963432d2b02f1e5990fb7 (patch)
tree794f4ab9970071ab02236d65fa2c8caa2cc75205
parentc8dcb531bcd37a4a81d2cc08a89fcd19c34348f9 (diff)
virtio-scsi: factor checks for VIRTIO_SCSI_S_DRIVER_OK when reporting events
Suggested by Laszlo Ersek. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--hw/virtio-scsi.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/hw/virtio-scsi.c b/hw/virtio-scsi.c
index b54c7895fc..30d3f8aca7 100644
--- a/hw/virtio-scsi.c
+++ b/hw/virtio-scsi.c
@@ -596,6 +596,10 @@ static void virtio_scsi_push_event(VirtIOSCSI *s, SCSIDevice *dev,
VirtIOSCSIEvent *evt;
int in_size;
+ if (!(s->vdev.status & VIRTIO_CONFIG_S_DRIVER_OK)) {
+ return;
+ }
+
if (!req) {
s->events_dropped = true;
return;
@@ -648,7 +652,6 @@ static void virtio_scsi_change(SCSIBus *bus, SCSIDevice *dev, SCSISense sense)
VirtIOSCSI *s = container_of(bus, VirtIOSCSI, bus);
if (((s->vdev.guest_features >> VIRTIO_SCSI_F_CHANGE) & 1) &&
- (s->vdev.status & VIRTIO_CONFIG_S_DRIVER_OK) &&
dev->type != TYPE_ROM) {
virtio_scsi_push_event(s, dev, VIRTIO_SCSI_T_PARAM_CHANGE,
sense.asc | (sense.ascq << 8));
@@ -659,8 +662,7 @@ static void virtio_scsi_hotplug(SCSIBus *bus, SCSIDevice *dev)
{
VirtIOSCSI *s = container_of(bus, VirtIOSCSI, bus);
- if (((s->vdev.guest_features >> VIRTIO_SCSI_F_HOTPLUG) & 1) &&
- (s->vdev.status & VIRTIO_CONFIG_S_DRIVER_OK)) {
+ if ((s->vdev.guest_features >> VIRTIO_SCSI_F_HOTPLUG) & 1) {
virtio_scsi_push_event(s, dev, VIRTIO_SCSI_T_TRANSPORT_RESET,
VIRTIO_SCSI_EVT_RESET_RESCAN);
}