diff --git a/src/fs.js b/src/fs.js
index c76e4f5..31e2167 100644
--- a/src/fs.js
+++ b/src/fs.js
@@ -1165,7 +1165,7 @@ define(function(require) {
     else if (!name) {
       callback(new EInvalid('attribute name cannot be an empty string'));
     }
-    else if (flag != null && 
+    else if (flag !== null &&
         flag !== XATTR_CREATE && flag !== XATTR_REPLACE) {
       callback(new EInvalid('invalid flag, must be null, XATTR_CREATE or XATTR_REPLACE'));
     }
@@ -1182,7 +1182,7 @@ define(function(require) {
     else if (!name) {
       callback(new EInvalid('attribute name cannot be an empty string'));
     }
-    else if (flag != null && 
+    else if (flag !== null &&
         flag !== XATTR_CREATE && flag !== XATTR_REPLACE) {
       callback(new EInvalid('invalid flag, must be null, XATTR_CREATE or XATTR_REPLACE'));
     }
@@ -1760,7 +1760,7 @@ define(function(require) {
       else {
         callback(null);
       }
-    };
+    }
 
     setxattr_file(context, path, name, value, flag, check_result);
   }
@@ -1800,14 +1800,14 @@ define(function(require) {
       }
     }
 
-    removexattr_file (context, path, name, remove_xattr);    
+    removexattr_file (context, path, name, remove_xattr);
   }
 
   function _fremovexattr (fs, context, fd, name, callback) {
 
     function remove_xattr (error) {
       if (error) {
-        callback(error);      
+        callback(error);
       }
       else {
         callback(null);
@@ -1905,7 +1905,7 @@ define(function(require) {
         callback(null);
       }
     }
-    utimes_file(context, path, atime, mtime, check_result)
+    utimes_file(context, path, atime, mtime, check_result);
   }
 
   function _futimes(fs, context, fd, atime, mtime, callback) {
@@ -1918,7 +1918,7 @@ define(function(require) {
       }
     }
 
-    var currentTime = Date.now()
+    var currentTime = Date.now();
     atime = (atime) ? atime : currentTime;
     mtime = (mtime) ? mtime : currentTime;
 
@@ -2297,7 +2297,7 @@ define(function(require) {
     }
   };
   FileSystem.prototype.setxattr = function (path, name, value, flag, callback) {
-    var callback = maybeCallback(arguments[arguments.length - 1]);
+    callback = maybeCallback(arguments[arguments.length - 1]);
     var _flag = (typeof flag != 'function') ? flag : null;
     var fs = this;
     var error = fs.queueOrRun(
@@ -2326,7 +2326,7 @@ define(function(require) {
     }
   };
   FileSystem.prototype.fsetxattr = function (fd, name, value, flag, callback) {
-    var callback = maybeCallback(arguments[arguments.length - 1]);
+    callback = maybeCallback(arguments[arguments.length - 1]);
     var _flag = (typeof flag != 'function') ? flag : null;
     var fs = this;
     var error = fs.queueOrRun(