3.2.77-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Oliver Neukum <[email protected]>

commit 1eaf35e4dd592c59041bc1ed3248c46326da1f5f upstream.

The module should fail to load.

Signed-off-by: Oliver Neukum <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
[bwh: Backported to 3.2: xhci_hcd_init() registers the PCI driver, so
 check before doing that rather than at the end of the function]
Signed-off-by: Ben Hutchings <[email protected]>
---
 drivers/usb/host/xhci.c | 4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -4300,6 +4300,9 @@ static int __init xhci_hcd_init(void)
 {
        int retval;
 
+       if (usb_disabled())
+               return -ENODEV;
+
        retval = xhci_register_pci();
        if (retval < 0) {
                printk(KERN_DEBUG "Problem registering PCI driver.");

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