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xhci: refuse loading if nousb is used 

commit 1eaf35e4dd592c59041bc1ed3248c46326da1f5f upstream.

The module should fail to load.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Oliver Neukum 2015-12-03 15:03:34 +01:00 committed by Greg Kroah-Hartman
parent c4924b5c53
commit ad55109f92
1 changed files with 4 additions and 0 deletions
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4
drivers/usb/host/xhci.c
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@ -4815,6 +4815,10 @@ static int __init xhci_hcd_init(void)
BUILD_BUG_ON(sizeof(struct xhci_intr_reg) != 8*32/8);
/* xhci_run_regs has eight fields and embeds 128 xhci_intr_regs */
BUILD_BUG_ON(sizeof(struct xhci_run_regs) != (8+8*128)*32/8);
if (usb_disabled())
return -ENODEV;
return 0;
unreg_pci:
xhci_unregister_pci();