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| author | Amit Shah <amit.shah@redhat.com> | 2011-12-22 16:58:29 +0530 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2012-01-12 15:44:45 +1030 |
| commit | 6abd6e5a4404056e28be04958a57d0286883161a (patch) | |
| tree | 3a862f66577272bfc3103827b515e9564197b24c /drivers/block/virtio_blk.c | |
| parent | c743d09dbd018dd6345519fb3264b16bdaa41746 (diff) | |
| download | linux-6abd6e5a4404056e28be04958a57d0286883161a.tar.gz | |
virtio: blk: Move vq initialization to separate function
The probe and PM restore functions will share this code. Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/block/virtio_blk.c')
| -rw-r--r-- | drivers/block/virtio_blk.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index ba73661fb9f3..e8af52355bf5 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -362,6 +362,18 @@ static void virtblk_config_changed(struct virtio_device *vdev) queue_work(virtblk_wq, &vblk->config_work); } +static int init_vq(struct virtio_blk *vblk) +{ + int err = 0; + + /* We expect one virtqueue, for output. */ + vblk->vq = virtio_find_single_vq(vblk->vdev, blk_done, "requests"); + if (IS_ERR(vblk->vq)) + err = PTR_ERR(vblk->vq); + + return err; +} + static int __devinit virtblk_probe(struct virtio_device *vdev) { struct virtio_blk *vblk; @@ -405,12 +417,9 @@ static int __devinit virtblk_probe(struct virtio_device *vdev) INIT_WORK(&vblk->config_work, virtblk_config_changed_work); vblk->config_enable = true; - /* We expect one virtqueue, for output. */ - vblk->vq = virtio_find_single_vq(vdev, blk_done, "requests"); - if (IS_ERR(vblk->vq)) { - err = PTR_ERR(vblk->vq); + err = init_vq(vblk); + if (err) goto out_free_vblk; - } vblk->pool = mempool_create_kmalloc_pool(1,sizeof(struct virtblk_req)); if (!vblk->pool) { |