The 'EPERM' cannot appear in the previous path, we
should use '-EPERM' to check it. For example:
Call trace:
->rtl8192_rx_isr
->usb_submit_urb
->usb_hcd_submit_urb
->rh_urb_enqueue
->rh_queue_status
->usb_hcd_link_urb_to_ep
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Link: https://lore.kernel.org/r/20201028122648.47959-1-zhangqilong3@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>