Commit 7fe412d0 authored Feb 24, 2014 by Venkatesh Srinivas Committed by Nicholas Bellinger Feb 24, 2014

vhost/scsi: Check LUN structure byte 0 is set to 1, per spec



The virtio spec requires byte 0 of the virtio-scsi LUN structure
to be '1'.

Signed-off-by: Venkatesh Srinivas <venkateshs@google.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

parent 6f58c780

drivers/vhost/scsi.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -1001,6 +1001,12 @@ vhost_scsi_handle_vq(struct vhost_scsi vs, struct vhost_virtqueue vq)
		break;
		}

		/* virtio-scsi spec requires byte 0 of the lun to be 1 */
		if (unlikely(v_req.lun[0] != 1)) {
		vhost_scsi_send_bad_target(vs, vq, head, out);
		continue;
		}

		/* Extract the tpgt */
		target = v_req.lun[1];
		tpg = ACCESS_ONCE(vs_tpg[target]);