diff --git a/crates/vhost/src/vhost_user/connection.rs b/crates/vhost/src/vhost_user/connection.rs
index 96cc143..0ac6c40 100644
--- a/crates/vhost/src/vhost_user/connection.rs
+++ b/crates/vhost/src/vhost_user/connection.rs
@@ -637,7 +637,7 @@ mod tests {
     #[test]
     fn create_listener() {
         let path = temp_path();
-        let listener = Listener::new(&path, true).unwrap();
+        let listener = Listener::new(path, true).unwrap();
 
         assert!(listener.as_raw_fd() > 0);
     }
@@ -654,7 +654,7 @@ mod tests {
     #[test]
     fn accept_connection() {
         let path = temp_path();
-        let listener = Listener::new(&path, true).unwrap();
+        let listener = Listener::new(path, true).unwrap();
         listener.set_nonblocking(true).unwrap();
 
         // accept on a fd without incoming connection
diff --git a/crates/vhost/src/vhost_user/master.rs b/crates/vhost/src/vhost_user/master.rs
index fd7e5a1..4ca821d 100644
--- a/crates/vhost/src/vhost_user/master.rs
+++ b/crates/vhost/src/vhost_user/master.rs
@@ -827,7 +827,7 @@ mod tests {
     #[test]
     fn test_features() {
         let path = temp_path();
-        let (master, mut peer) = create_pair(&path);
+        let (master, mut peer) = create_pair(path);
 
         master.set_owner().unwrap();
         let (hdr, rfds) = peer.recv_header().unwrap();
@@ -862,7 +862,7 @@ mod tests {
     #[test]
     fn test_protocol_features() {
         let path = temp_path();
-        let (mut master, mut peer) = create_pair(&path);
+        let (mut master, mut peer) = create_pair(path);
 
         master.set_owner().unwrap();
         let (hdr, rfds) = peer.recv_header().unwrap();
@@ -913,7 +913,7 @@ mod tests {
     #[test]
     fn test_master_set_config_negative() {
         let path = temp_path();
-        let (mut master, _peer) = create_pair(&path);
+        let (mut master, _peer) = create_pair(path);
         let buf = vec![0x0; MAX_MSG_SIZE + 1];
 
         master
@@ -958,7 +958,7 @@ mod tests {
 
     fn create_pair2() -> (Master, Endpoint<MasterReq>) {
         let path = temp_path();
-        let (master, peer) = create_pair(&path);
+        let (master, peer) = create_pair(path);
 
         {
             let mut node = master.node();
diff --git a/crates/vhost/src/vhost_user/master_req_handler.rs b/crates/vhost/src/vhost_user/master_req_handler.rs
index 0ecda4e..9873b5b 100644
--- a/crates/vhost/src/vhost_user/master_req_handler.rs
+++ b/crates/vhost/src/vhost_user/master_req_handler.rs
@@ -336,7 +336,7 @@ impl<S: VhostUserMasterReqHandler> MasterReqHandler<S> {
             let def_err = libc::EINVAL;
             let val = match res {
                 Ok(n) => *n,
-                Err(e) => match &*e {
+                Err(e) => match e {
                     Error::ReqHandlerError(ioerr) => match ioerr.raw_os_error() {
                         Some(rawerr) => -rawerr as u64,
                         None => -def_err as u64,
diff --git a/crates/vhost/src/vhost_user/message.rs b/crates/vhost/src/vhost_user/message.rs
index bda5671..35e1e30 100644
--- a/crates/vhost/src/vhost_user/message.rs
+++ b/crates/vhost/src/vhost_user/message.rs
@@ -624,7 +624,7 @@ impl VhostUserVringAddr {
     }
 
     /// Create a new instance from `VringConfigData`.
-    #[cfg_attr(feature = "cargo-clippy", allow(clippy::identity_conversion))]
+    #[cfg_attr(feature = "cargo-clippy", allow(clippy::useless_conversion))]
     pub fn from_config_data(index: u32, config_data: &VringConfigData) -> Self {
         let log_addr = config_data.log_addr.unwrap_or(0);
         VhostUserVringAddr {
diff --git a/crates/vhost/src/vhost_user/mod.rs b/crates/vhost/src/vhost_user/mod.rs
index 54fa0e9..936e1bb 100644
--- a/crates/vhost/src/vhost_user/mod.rs
+++ b/crates/vhost/src/vhost_user/mod.rs
@@ -267,7 +267,7 @@ mod tests {
     fn test_set_owner() {
         let slave_be = Arc::new(Mutex::new(DummySlaveReqHandler::new()));
         let path = temp_path();
-        let (master, mut slave) = create_slave(&path, slave_be.clone());
+        let (master, mut slave) = create_slave(path, slave_be.clone());
 
         assert!(!slave_be.lock().unwrap().owned);
         master.set_owner().unwrap();
@@ -284,7 +284,7 @@ mod tests {
         let sbar = mbar.clone();
         let path = temp_path();
         let slave_be = Arc::new(Mutex::new(DummySlaveReqHandler::new()));
-        let (mut master, mut slave) = create_slave(&path, slave_be.clone());
+        let (mut master, mut slave) = create_slave(path, slave_be.clone());
 
         thread::spawn(move || {
             slave.handle_request().unwrap();
@@ -328,7 +328,7 @@ mod tests {
         let sbar = mbar.clone();
         let path = temp_path();
         let slave_be = Arc::new(Mutex::new(DummySlaveReqHandler::new()));
-        let (mut master, mut slave) = create_slave(&path, slave_be.clone());
+        let (mut master, mut slave) = create_slave(path, slave_be.clone());
 
         thread::spawn(move || {
             // set_own()
diff --git a/crates/vhost/src/vhost_user/slave_req_handler.rs b/crates/vhost/src/vhost_user/slave_req_handler.rs
index 68af103..ffde25c 100644
--- a/crates/vhost/src/vhost_user/slave_req_handler.rs
+++ b/crates/vhost/src/vhost_user/slave_req_handler.rs
@@ -611,11 +611,7 @@ impl<S: VhostUserSlaveReqHandler> SlaveReqHandler<S> {
         if size - mem::size_of::<VhostUserConfig>() != msg.size as usize {
             return Err(Error::InvalidMessage);
         }
-        let flags: VhostUserConfigFlags;
-        match VhostUserConfigFlags::from_bits(msg.flags) {
-            Some(val) => flags = val,
-            None => return Err(Error::InvalidMessage),
-        }
+        let flags = VhostUserConfigFlags::from_bits(msg.flags).ok_or(Error::InvalidMessage)?;
 
         self.backend
             .set_config(msg.offset, &buf[mem::size_of::<VhostUserConfig>()..], flags)