usb hid设备报错-EINPROGRESS

cyberworm_008

本人在调试一个刷卡器驱动的时候，在中断urb处理时报错-EINPROGRESS，查了查文档，说可能是驱动的一个bug，在此发帖求助可能引起问题的原因，谢谢。

cyberworm_008

log如下：

[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5789] hid_irq_in()
[5789] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5790] hid_irq_in()
[5790] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5790] hid_irq_in()
[5790] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5790] hid_irq_in()
[5790] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5790] hid_irq_in()
[5790] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5790] hid_irq_in()
[5790] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5790] hid_irq_in()
[5790] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5790] hid_irq_in()
[5790] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5790] hid_irq_in()
[5790] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5790] hid_irq_in()
[5790] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5790] hid_irq_in()
[5790] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5790] hid_irq_in()
[5790] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5790] hid_irq_in()
[5790] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5790] hid_irq_in()
[5790] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5790] hid_irq_in()
[5790] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5790] hid_irq_in()
[5790] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5790] hid_irq_in()
[5790] drivers/hid/usbhid/hid-core.c: input irq status -115 received
[5790] hid_irq_in()
[5790] case 0...
[5790] drivers/hid/hid-core.c: report (size 1) (unnumbered)
[5790] drivers/hid/hid-core.c: report 0 (size 1) =  00
[5790] drivers/hid/hid-core.c: report 0 is too short, (1 < 337)
[5790] hid-debug: input ff00.0020 = 0
[5790] hid-debug: input ff00.0021 = 0
[5790] hid-debug: input ff00.0022 = 0