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d01f42a22e
When detaching a port from the client side (usbip --detach 0), the event thread, on the server side, is going to deadlock. The "eh" server thread is getting USBIP_EH_RESET event and calls: -> stub_device_reset() -> usb_reset_device() the USB framework is then calling back _in the same "eh" thread_ : -> stub_disconnect() -> usbip_stop_eh() -> wait_for_completion() the "eh" thread is being asleep forever, waiting for its own completion. This patch checks if "eh" is the current thread, in usbip_stop_eh(). Signed-off-by: Eric Lescouet <eric@lescouet.org> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
TODO: - more discussion about the protocol - testing - review of the userspace interface Please send patches for this code to Greg Kroah-Hartman <greg@kroah.com>