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virtio-scsi-dataplane: fix memory leak in virtio_scsi_vring_init 

if k->set_host_notifier failed, VirtIOSCSIVring *r will leak

Signed-off-by: Bo Su <subo7@huawei.com>
Message-Id: <1426671732-80213-1-git-send-email-subo7@huawei.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Bo Su 2015-03-18 09:42:12 +00:00 committed by Paolo Bonzini
parent 89d5cbddee
commit 196d4fc56d
1 changed files with 3 additions and 1 deletions
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4
hw/scsi/virtio-scsi-dataplane.c
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@ -45,7 +45,7 @@ static VirtIOSCSIVring *virtio_scsi_vring_init(VirtIOSCSI *s,
{
BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(s)));
VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus);
VirtIOSCSIVring *r = g_slice_new(VirtIOSCSIVring);
VirtIOSCSIVring *r;
int rc;
/* Set up virtqueue notify */
@ -56,6 +56,8 @@ static VirtIOSCSIVring *virtio_scsi_vring_init(VirtIOSCSI *s,
s->dataplane_fenced = true;
return NULL;
}
r = g_slice_new(VirtIOSCSIVring);
r->host_notifier = *virtio_queue_get_host_notifier(vq);
r->guest_notifier = *virtio_queue_get_guest_notifier(vq);
aio_set_event_notifier(s->ctx, &r->host_notifier, handler);