xhci: don't dereference a xhci member after removing xhci
Remove the hcd after checking for the xhci last quirks, not before.
This caused a hang on a Alpine Ridge xhci based maching which remove
the whole xhci controller when unplugging the last usb device
CC: <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 4fd041b..d7b0f97 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -314,11 +314,12 @@
usb_remove_hcd(xhci->shared_hcd);
usb_put_hcd(xhci->shared_hcd);
}
- usb_hcd_pci_remove(dev);
/* Workaround for spurious wakeups at shutdown with HSW */
if (xhci->quirks & XHCI_SPURIOUS_WAKEUP)
pci_set_power_state(dev, PCI_D3hot);
+
+ usb_hcd_pci_remove(dev);
}
#ifdef CONFIG_PM