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authorMarcelo Tosatti <mtosatti@redhat.com>2008-04-24 15:49:53 -0300
committerRusty Russell <rusty@rustcorp.com.au>2008-05-02 21:50:46 +1000
commit2e895e4c23b7f73dba7238db5c5c2dcffb2a4d9d (patch)
tree1893fa2ae97e60e0d28f6c467d48006c14f88781 /drivers/block/virtio_blk.c
parent0527168522c25121bdd5d5f1d3c5b484d972ea14 (diff)
virtio-blk: fix remove oops
Do not unregister the major at device remove, since there might be another device instances around. (qemu) pci_del 0 11 (qemu) ACPI: PCI interrupt for device 0000:00:0b.0 disabled (qemu) pci_del 0 10 (qemu) ------------[ cut here ]------------ WARNING: at block/genhd.c:126 unregister_blkdev+0x74/0x9e() ACPI: PCI interrupt for device 0000:00:0a.0 disabled Signed-off-by: Marcelo Tosatti <mtosatti@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.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index fb283af3802..7e83b6c6e3d 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -289,7 +289,6 @@ out:
static void virtblk_remove(struct virtio_device *vdev)
{
struct virtio_blk *vblk = vdev->priv;
- int major = vblk->disk->major;
/* Nothing should be pending. */
BUG_ON(!list_empty(&vblk->reqs));
@@ -299,7 +298,6 @@ static void virtblk_remove(struct virtio_device *vdev)
blk_cleanup_queue(vblk->disk->queue);
put_disk(vblk->disk);
- unregister_blkdev(major, "virtblk");
mempool_destroy(vblk->pool);
vdev->config->del_vq(vblk->vq);
kfree(vblk);