diff --git a/src/disk.rs b/src/disk.rs
index dafcb02..31d6d99 100644
--- a/src/disk.rs
+++ b/src/disk.rs
@@ -11,7 +11,7 @@ pub fn init_disk() {
         Ok(block) => unsafe {
             DISK = Some(block);
         },
-        Err(()) => panic!("Error: Disk initialization"),
+        Err(_err) => panic!("Error: Disk initialization"),
     }
 }
 
diff --git a/src/virtio/block.rs b/src/virtio/block.rs
index 7e5fcad..9397815 100644
--- a/src/virtio/block.rs
+++ b/src/virtio/block.rs
@@ -1,4 +1,6 @@
 use super::header::VirtioHeader;
+use super::queue::VirtioQueue;
+use super::Error;
 
 use bitflags::bitflags;
 
@@ -11,10 +13,11 @@ use bitflags::bitflags;
 /// ref: 5.2 Block Device
 pub struct VirtioBlock {
     header: &'static mut VirtioHeader,
+    queue: VirtioQueue,
 }
 
 impl VirtioBlock {
-    pub fn new(header: &'static mut VirtioHeader) -> Result<Self, ()> {
+    pub fn new(header: &'static mut VirtioHeader) -> Result<Self, Error> {
         header.begin_init(|features| {
             let features = BlockFeatures::from_bits_truncate(features);
             let disable_features = BlockFeatures::RO
@@ -22,10 +25,12 @@ impl VirtioBlock {
                 | BlockFeatures::RING_EVENT_IDX
                 | BlockFeatures::RING_INDIRECT_DESC;
             (features - disable_features).bits()
-        }).ok();
+        })?;
+
+        let queue = VirtioQueue::new(header, 0, 8)?;
         header.end_init();
 
-        Ok(Self { header })
+        Ok(Self { header, queue })
     }
 }