Fix new clippy lints

* Needless borrow
* Explicit auto-deref

openssl/src/ssl/connector.rs

@@ -107,7 +107,7 @@ impl SslConnector {
 
     /// Returns a shared reference to the inner raw `SslContext`.
     pub fn context(&self) -> &SslContextRef {
-        &*self.0
+        &self.0
     }
 }
 
@@ -334,7 +334,7 @@ impl SslAcceptor {
 
     /// Returns a shared reference to the inner raw `SslContext`.
     pub fn context(&self) -> &SslContextRef {
-        &*self.0
+        &self.0
     }
 }
 

openssl/src/ssl/test/mod.rs

@@ -204,7 +204,7 @@ fn verify_callback() {
             CALLED_BACK.store(true, Ordering::SeqCst);
             let cert = x509.current_cert().unwrap();
             let digest = cert.digest(MessageDigest::sha1()).unwrap();
-            assert_eq!(hex::encode(&digest), expected);
+            assert_eq!(hex::encode(digest), expected);
             true
         });
 
@@ -226,7 +226,7 @@ fn ssl_verify_callback() {
             CALLED_BACK.store(true, Ordering::SeqCst);
             let cert = x509.current_cert().unwrap();
             let digest = cert.digest(MessageDigest::sha1()).unwrap();
-            assert_eq!(hex::encode(&digest), expected);
+            assert_eq!(hex::encode(digest), expected);
             true
         });
 
@@ -319,9 +319,9 @@ fn test_connect_with_srtp_ctx() {
         let mut ctx = SslContext::builder(SslMethod::dtls()).unwrap();
         ctx.set_tlsext_use_srtp("SRTP_AES128_CM_SHA1_80:SRTP_AES128_CM_SHA1_32")
             .unwrap();
-        ctx.set_certificate_file(&Path::new("test/cert.pem"), SslFiletype::PEM)
+        ctx.set_certificate_file(Path::new("test/cert.pem"), SslFiletype::PEM)
             .unwrap();
-        ctx.set_private_key_file(&Path::new("test/key.pem"), SslFiletype::PEM)
+        ctx.set_private_key_file(Path::new("test/key.pem"), SslFiletype::PEM)
             .unwrap();
         let mut ssl = Ssl::new(&ctx.build()).unwrap();
         ssl.set_mtu(1500).unwrap();
@@ -375,9 +375,9 @@ fn test_connect_with_srtp_ssl() {
     let guard = thread::spawn(move || {
         let stream = listener.accept().unwrap().0;
         let mut ctx = SslContext::builder(SslMethod::dtls()).unwrap();
-        ctx.set_certificate_file(&Path::new("test/cert.pem"), SslFiletype::PEM)
+        ctx.set_certificate_file(Path::new("test/cert.pem"), SslFiletype::PEM)
             .unwrap();
-        ctx.set_private_key_file(&Path::new("test/key.pem"), SslFiletype::PEM)
+        ctx.set_private_key_file(Path::new("test/key.pem"), SslFiletype::PEM)
             .unwrap();
         let mut ssl = Ssl::new(&ctx.build()).unwrap();
         ssl.set_tlsext_use_srtp("SRTP_AES128_CM_SHA1_80:SRTP_AES128_CM_SHA1_32")
@@ -1073,9 +1073,9 @@ fn keying_export() {
     let guard = thread::spawn(move || {
         let stream = listener.accept().unwrap().0;
         let mut ctx = SslContext::builder(SslMethod::tls()).unwrap();
-        ctx.set_certificate_file(&Path::new("test/cert.pem"), SslFiletype::PEM)
+        ctx.set_certificate_file(Path::new("test/cert.pem"), SslFiletype::PEM)
             .unwrap();
-        ctx.set_private_key_file(&Path::new("test/key.pem"), SslFiletype::PEM)
+        ctx.set_private_key_file(Path::new("test/key.pem"), SslFiletype::PEM)
             .unwrap();
         let ssl = Ssl::new(&ctx.build()).unwrap();
         let mut stream = ssl.accept(stream).unwrap();
@@ -1271,10 +1271,10 @@ fn stateless() {
 
     let mut server_ctx = SslContext::builder(SslMethod::tls()).unwrap();
     server_ctx
-        .set_certificate_file(&Path::new("test/cert.pem"), SslFiletype::PEM)
+        .set_certificate_file(Path::new("test/cert.pem"), SslFiletype::PEM)
         .unwrap();
     server_ctx
-        .set_private_key_file(&Path::new("test/key.pem"), SslFiletype::PEM)
+        .set_private_key_file(Path::new("test/key.pem"), SslFiletype::PEM)
         .unwrap();
     const COOKIE: &[u8] = b"chocolate chip";
     server_ctx.set_stateless_cookie_generate_cb(|_tls, buf| {

openssl/src/string.rs

@@ -34,7 +34,7 @@ impl Stackable for OpensslString {
 
 impl AsRef<str> for OpensslString {
     fn as_ref(&self) -> &str {
-        &**self
+        self
     }
 }