Decrement used vectors counter when removing the vq so that
vp_free_vectors does not try to free the vector again.
Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
---
drivers/virtio/virtio_pci.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
index dab3c86..9dcc368 100644
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -466,8 +466,10 @@ static void vp_del_vq(struct virtqueue *vq)
iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_SEL);
- if (info->vector != VIRTIO_MSI_NO_VECTOR)
+ if (info->vector != VIRTIO_MSI_NO_VECTOR) {
free_irq(vp_dev->msix_entries[info->vector].vector, vq);
+ --vp_dev->msix_used_vectors;
+ }
if (vp_dev->msix_enabled) {
iowrite16(VIRTIO_MSI_NO_VECTOR,
--
1.6.2.5
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