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| author | Zhengjun Xing <zhengjun.xing@linux.intel.com> | 2018-02-12 14:24:50 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-02-15 18:36:19 +0100 |
| commit | 8c5a93ebf7ac56d47f879b3c7c2f8c83b40c2cdb (patch) | |
| tree | 6553a80db35e7feae1c79dd00954400082792ef8 | |
| parent | d91676717261578f429d3577dbe9154b26e8abf7 (diff) | |
| download | linux-8c5a93ebf7ac56d47f879b3c7c2f8c83b40c2cdb.tar.gz linux-8c5a93ebf7ac56d47f879b3c7c2f8c83b40c2cdb.tar.bz2 linux-8c5a93ebf7ac56d47f879b3c7c2f8c83b40c2cdb.zip | |
xhci: xhci debugfs device nodes weren't removed after device plugged out
There is a bug after plugged out USB device, the device and its ep00
nodes are still kept, we need to remove the nodes in xhci_free_dev when
USB device is plugged out.
Fixes: 052f71e25a7e ("xhci: Fix xhci debugfs NULL pointer dereference in resume from hibernate")
Cc: <stable@vger.kernel.org> # v4.15
Signed-off-by: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/host/xhci.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index b01bd643f905..4adb6da0bd38 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -3545,12 +3545,10 @@ static void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev) virt_dev->eps[i].ep_state &= ~EP_STOP_CMD_PENDING; del_timer_sync(&virt_dev->eps[i].stop_cmd_timer); } - + xhci_debugfs_remove_slot(xhci, udev->slot_id); ret = xhci_disable_slot(xhci, udev->slot_id); - if (ret) { - xhci_debugfs_remove_slot(xhci, udev->slot_id); + if (ret) xhci_free_virt_device(xhci, udev->slot_id); - } } int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id) |