diff options
| author | Mathias Nyman <mathias.nyman@linux.intel.com> | 2016-08-16 10:18:06 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-16 09:42:47 +0200 |
| commit | f1f6d9a8b540df22b87a5bf6bc104edaade81f47 (patch) | |
| tree | 5b0bb03840f9f27eadfb3a5dea7e187aa2e4fdcb /drivers/usb/host/xhci-pci.c | |
| parent | 88716a93766b8f095cdef37a8e8f2c93aa233b21 (diff) | |
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>
Diffstat (limited to 'drivers/usb/host/xhci-pci.c')
| -rw-r--r-- | drivers/usb/host/xhci-pci.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 4fd041bec332..d7b0f97abbad 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -314,11 +314,12 @@ static void xhci_pci_remove(struct pci_dev *dev) 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 |