Merge branch 'stable-3.2' into pandora-3.2

[pandora-kernel.git] / drivers / staging / usbip / vhci_hcd.c

diff --git a/drivers/staging/usbip/vhci_hcd.c b/drivers/staging/usbip/vhci_hcd.c
index 2ee97e2..68f9af8 100644 (file)
--- a/drivers/staging/usbip/vhci_hcd.c
+++ b/drivers/staging/usbip/vhci_hcd.c
@@ -248,14 +248,19 @@ done:
 /* See hub_configure in hub.c */
 static inline void hub_descriptor(struct usb_hub_descriptor *desc)
 {
+       int width;
+
        memset(desc, 0, sizeof(*desc));
        desc->bDescriptorType = 0x29;
-       desc->bDescLength = 9;
        desc->wHubCharacteristics = (__force __u16)
                (__constant_cpu_to_le16(0x0001));
+
        desc->bNbrPorts = VHCI_NPORTS;
-       desc->u.hs.DeviceRemovable[0] = 0xff;
-       desc->u.hs.DeviceRemovable[1] = 0xff;
+       BUILD_BUG_ON(VHCI_NPORTS > USB_MAXCHILDREN);
+       width = desc->bNbrPorts / 8 + 1;
+       desc->bDescLength = USB_DT_HUB_NONVAR_SIZE + 2 * width;
+       memset(&desc->u.hs.DeviceRemovable[0], 0, width);
+       memset(&desc->u.hs.DeviceRemovable[width], 0xff, width);
 }
 
 static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,