summaryrefslogtreecommitdiffstats
path: root/drivers/virtio/virtio_pci.c
diff options
context:
space:
mode:
authorJens Axboe <jens.axboe@oracle.com>2009-11-03 21:14:39 +0100
committerJens Axboe <jens.axboe@oracle.com>2009-11-03 21:14:39 +0100
commit2058297d2d045cb57138c33b87cfabcc80e65186 (patch)
tree7ccffd0e162cbd7471f643561e79f23abb989a62 /drivers/virtio/virtio_pci.c
parentMerge branch 'cfq-2.6.33' into for-2.6.33 (diff)
parentcfq-iosched: limit coop preemption (diff)
downloadlinux-2058297d2d045cb57138c33b87cfabcc80e65186.tar.xz
linux-2058297d2d045cb57138c33b87cfabcc80e65186.zip
Merge branch 'for-linus' into for-2.6.33
Conflicts: block/cfq-iosched.c Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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,
err = PTR_ERR(vqs[i]);
goto error_find;
}
+
+ if (!vp_dev->per_vq_vectors || msix_vec == VIRTIO_MSI_NO_VECTOR)
+ continue;
+
/* allocate per-vq irq if available and necessary */
- if (vp_dev->per_vq_vectors) {
- snprintf(vp_dev->msix_names[msix_vec],
- sizeof *vp_dev->msix_names,
- "%s-%s",
- dev_name(&vp_dev->vdev.dev), names[i]);
- err = request_irq(msix_vec, vring_interrupt, 0,
- vp_dev->msix_names[msix_vec],
- vqs[i]);
- if (err) {
- vp_del_vq(vqs[i]);
- goto error_find;
- }
+ snprintf(vp_dev->msix_names[msix_vec],
+ sizeof *vp_dev->msix_names,
+ "%s-%s",
+ dev_name(&vp_dev->vdev.dev), names[i]);
+ err = request_irq(vp_dev->msix_entries[msix_vec].vector,
+ vring_interrupt, 0,
+ vp_dev->msix_names[msix_vec],
+ vqs[i]);
+ if (err) {
+ vp_del_vq(vqs[i]);
+ goto error_find;
}
}
return 0;