TLS: Simplify error handling

lib/tls.js

@@ -196,11 +196,7 @@ CryptoStream.prototype._push = function() {
       chunkBytes = this._pusher(pool, bytesRead, pool.length - bytesRead);
 
       if (this.pair._ssl && this.pair._ssl.error) {
-        if (this.pair._secureEstablished) {
-          this.pair._error();
-        } else {
-          this.pair._destroy();
-        }
+        this.pair._error();
         return;
       }
 
@@ -277,11 +273,7 @@ CryptoStream.prototype._pull = function() {
     var rv = this._puller(tmp);
 
     if (this.pair._ssl && this.pair._ssl.error) {
-      if (this.pair._secureEstablished) {
-        this.pair._error();
-      } else {
-        this.pair._destroy();
-      }
+      this.pair._error();
       return;
     }
 
@@ -500,16 +492,20 @@ SecurePair.prototype._destroy = function() {
 
 
 SecurePair.prototype._error = function() {
-  var err = this._ssl.error;
-  this._ssl.error = null;
-
-  if (this._isServer &&
-      this._rejectUnauthorized &&
-      /peer did not return a certificate/.test(err.message)) {
-    // Not really an error.
+  if (!this._secureEstablished) {
     this._destroy();
   } else {
-    this.cleartext.emit('error', err);
+    var err = this._ssl.error;
+    this._ssl.error = null;
+
+    if (this._isServer &&
+        this._rejectUnauthorized &&
+        /peer did not return a certificate/.test(err.message)) {
+      // Not really an error.
+      this._destroy();
+    } else {
+      this.cleartext.emit('error', err);
+    }
   }
 };