From: Oliver Neukum <oneu...@suse.com>
3.12-stable review patch. If anyone has any objections, please let me know.
===============
commit 1eaf35e4dd592c59041bc1ed3248c46326da1f5f upstream.
The module should fail to load.
Signed-off-by: Oliver Neukum <oneu...@suse.com>
Signed-off-by: Jiri Slaby <jsl...@suse.cz>
---
drivers/usb/host/xhci.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 47b25542a99c..6888e9a956d4 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -4891,6 +4891,10 @@ 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();
--
2.7.1
