Am Mittwoch, den 13.12.2017, 16:57 +0800 schrieb Jia-Ju Bai: > According to drivers/net/usb/kaweth.c, the driver may sleep under a > spinlock. > The function call path is: > kaweth_start_xmit (acquire the spinlock) > kaweth_async_set_rx_mode > kaweth_control > kaweth_internal_control_msg > usb_start_wait_urb > wait_event_timeout --> may sleep > usb_kill_urb --> may sleep > > I do not find a good way to fix it, so I only report. > This possible bug is found by my static analysis tool (DSAC) and checked > by my code review. > Hi, thanks for reporting. I need to get out my old test device. It will take a few days. The obvious fix would be to set this filter only on initialization. Unfortunately this needs to be tested. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
