usb_hcd_unlink_urb 657 drivers/usb/core/urb.c return usb_hcd_unlink_urb(urb, -ECONNRESET); usb_hcd_unlink_urb 695 drivers/usb/core/urb.c usb_hcd_unlink_urb(urb, -ENOENT); usb_hcd_unlink_urb 739 drivers/usb/core/urb.c usb_hcd_unlink_urb(urb, -ENOENT); usb_hcd_unlink_urb 437 include/linux/usb/hcd.h extern int usb_hcd_unlink_urb(struct urb *urb, int status);