---

yaml
---
r: 259198
b: refs/heads/master
c: c4fc234
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 680681747ff933fdedfbf11bd03c369e5b14085c
+refs/heads/master: c4fc2342cb611f945fa468e742759e25984005ad

trunk/Documentation/kernel-parameters.txt

@@ -2538,6 +2538,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 	unknown_nmi_panic
 			[X86] Cause panic on unknown NMI.
 
+	usbcore.authorized_default=
+			[USB] Default USB device authorization:
+			(default -1 = authorized except for wireless USB,
+			0 = not authorized, 1 = authorized)
+
 	usbcore.autosuspend=
 			[USB] The autosuspend time delay (in seconds) used
 			for newly-detected USB devices (default 2).  This

trunk/drivers/usb/core/hcd.c

@@ -337,6 +337,17 @@ static const u8 ss_rh_config_descriptor[] = {
 	0x02, 0x00   /* __le16 ss_wBytesPerInterval; 15 bits for max 15 ports */
 };
 
+/* authorized_default behaviour:
+ * -1 is authorized for all devices except wireless (old behaviour)
+ * 0 is unauthorized for all devices
+ * 1 is authorized for all devices
+ */
+static int authorized_default = -1;
+module_param(authorized_default, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(authorized_default,
+		"Default USB device authorization: 0 is not authorized, 1 is "
+		"authorized, -1 is authorized except for wireless USB (default, "
+		"old behaviour");
 /*-------------------------------------------------------------------------*/
 
 /**
@@ -2371,7 +2382,11 @@ int usb_add_hcd(struct usb_hcd *hcd,
 
 	dev_info(hcd->self.controller, "%s\n", hcd->product_desc);
 
-	hcd->authorized_default = hcd->wireless? 0 : 1;
+	/* Keep old behaviour if authorized_default is not in [0, 1]. */
+	if (authorized_default < 0 || authorized_default > 1)
+		hcd->authorized_default = hcd->wireless? 0 : 1;
+	else
+		hcd->authorized_default = authorized_default;
 	set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
 
 	/* HC is in reset state, but accessible.  Now do the one-time init,