[gnome-shell] BluetoothStatus: don't pass NaNs to native functions

[Giovanni Campagna <gcampagna src gnome org>]

commit 25015c9c3a8f3b7450cd3de0fa6e9781adc5acbc
Author: Giovanni Campagna <gcampagna src gnome org>
Date:   Wed Mar 2 17:27:24 2011 +0100

    BluetoothStatus: don't pass NaNs to native functions
    
    GJS complains when a NaN is passed in place of an integer, and
    parseInt returns that from non numeric string. Pass a sentinel
    that cancels the operation in that case.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=642978

 js/ui/status/bluetooth.js |   12 +++++++++---
 1 files changed, 9 insertions(+), 3 deletions(-)
---
diff --git a/js/ui/status/bluetooth.js b/js/ui/status/bluetooth.js
index 2926f97..7885907 100644
--- a/js/ui/status/bluetooth.js
+++ b/js/ui/status/bluetooth.js
@@ -471,9 +471,15 @@ PinNotification.prototype = {
 
         this.connect('action-invoked', Lang.bind(this, function(self, action) {
             if (action == 'ok') {
-                if (this._numeric)
-                    this._applet.agent_reply_passkey(this._devicePath, parseInt(this._entry.text));
-                else
+                if (this._numeric) {
+                    let num = parseInt(this._entry.text);
+                    if (isNaN(num)) {
+                        // user reply was empty, or was invalid
+                        // cancel the operation
+                        num = -1;
+                    }
+                    this._applet.agent_reply_passkey(this._devicePath, num);
+                } else
                     this._applet.agent_reply_pincode(this._devicePath, this._entry.text);
             } else {
                 if (this._numeric)