aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/virtio/virtio_pci.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/virtio/virtio_pci.c')
-rw-r--r--drivers/virtio/virtio_pci.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
index 4a1f1ebff7bf..28d9cf7cf72f 100644
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -530,19 +530,22 @@ static int vp_try_to_find_vqs(struct virtio_device *vdev, unsigned nvqs,
530 err = PTR_ERR(vqs[i]); 530 err = PTR_ERR(vqs[i]);
531 goto error_find; 531 goto error_find;
532 } 532 }
533
534 if (!vp_dev->per_vq_vectors || msix_vec == VIRTIO_MSI_NO_VECTOR)
535 continue;
536
533 /* allocate per-vq irq if available and necessary */ 537 /* allocate per-vq irq if available and necessary */
534 if (vp_dev->per_vq_vectors) { 538 snprintf(vp_dev->msix_names[msix_vec],
535 snprintf(vp_dev->msix_names[msix_vec], 539 sizeof *vp_dev->msix_names,
536 sizeof *vp_dev->msix_names, 540 "%s-%s",
537 "%s-%s", 541 dev_name(&vp_dev->vdev.dev), names[i]);
538 dev_name(&vp_dev->vdev.dev), names[i]); 542 err = request_irq(vp_dev->msix_entries[msix_vec].vector,
539 err = request_irq(msix_vec, vring_interrupt, 0, 543 vring_interrupt, 0,
540 vp_dev->msix_names[msix_vec], 544 vp_dev->msix_names[msix_vec],
541 vqs[i]); 545 vqs[i]);
542 if (err) { 546 if (err) {
543 vp_del_vq(vqs[i]); 547 vp_del_vq(vqs[i]);
544 goto error_find; 548 goto error_find;
545 }
546 } 549 }
547 } 550 }
548 return 0; 551 return 0;