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path: root/drivers/block/virtio_blk.c
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Diffstat (limited to 'drivers/block/virtio_blk.c')
-rw-r--r--drivers/block/virtio_blk.c37
1 files changed, 6 insertions, 31 deletions
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 9b3bd083b411..303caf2d17d0 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -689,28 +689,6 @@ static const struct blk_mq_ops virtio_mq_ops = {
static unsigned int virtblk_queue_depth;
module_param_named(queue_depth, virtblk_queue_depth, uint, 0444);
-static int virtblk_validate(struct virtio_device *vdev)
-{
- u32 blk_size;
-
- if (!vdev->config->get) {
- dev_err(&vdev->dev, "%s failure: config access disabled\n",
- __func__);
- return -EINVAL;
- }
-
- if (!virtio_has_feature(vdev, VIRTIO_BLK_F_BLK_SIZE))
- return 0;
-
- blk_size = virtio_cread32(vdev,
- offsetof(struct virtio_blk_config, blk_size));
-
- if (blk_size < SECTOR_SIZE || blk_size > PAGE_SIZE)
- __virtio_clear_bit(vdev, VIRTIO_BLK_F_BLK_SIZE);
-
- return 0;
-}
-
static int virtblk_probe(struct virtio_device *vdev)
{
struct virtio_blk *vblk;
@@ -722,6 +700,12 @@ static int virtblk_probe(struct virtio_device *vdev)
u8 physical_block_exp, alignment_offset;
unsigned int queue_depth;
+ if (!vdev->config->get) {
+ dev_err(&vdev->dev, "%s failure: config access disabled\n",
+ __func__);
+ return -EINVAL;
+ }
+
err = ida_simple_get(&vd_index_ida, 0, minor_to_index(1 << MINORBITS),
GFP_KERNEL);
if (err < 0)
@@ -836,14 +820,6 @@ static int virtblk_probe(struct virtio_device *vdev)
else
blk_size = queue_logical_block_size(q);
- if (blk_size < SECTOR_SIZE || blk_size > PAGE_SIZE) {
- dev_err(&vdev->dev,
- "block size is changed unexpectedly, now is %u\n",
- blk_size);
- err = -EINVAL;
- goto out_cleanup_disk;
- }
-
/* Use topology information if available */
err = virtio_cread_feature(vdev, VIRTIO_BLK_F_TOPOLOGY,
struct virtio_blk_config, physical_block_exp,
@@ -1009,7 +985,6 @@ static struct virtio_driver virtio_blk = {
.driver.name = KBUILD_MODNAME,
.driver.owner = THIS_MODULE,
.id_table = id_table,
- .validate = virtblk_validate,
.probe = virtblk_probe,
.remove = virtblk_remove,
.config_changed = virtblk_config_changed,