Update vhost-device-can

Fix: No need to check ctrl_rx_queue as used if it's not used.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>

staging/vhost-device-console/src/vhu_console.rs

@@ -293,6 +293,7 @@ impl VhostUserConsoleBackend {
         vring: &VringRwLock,
     ) -> Result<bool> {
         trace!("process_ctrl_rx_requests");
+        let mut used_flag = false;
 
         if requests.is_empty() {
             trace!("Control rx queue is_empty");
@@ -320,10 +321,13 @@ impl VhostUserConsoleBackend {
             }
 
             let ctrl_msg: VirtioConsoleControl = match self.rx_ctrl_fifo.remove() {
-                Ok(item) => item,
+                Ok(item) => {
+                    used_flag = true;
+                    item
+                }
                 _ => {
                     trace!("No rx elements");
-                    return Ok(false);
+                    return Ok(used_flag);
                 }
             };