Alexander Motin a6036a44fd Fix residual length reporting in target mode.
This allows to properly handle cases when target wants to receive or send
more data then initiator wants to send or receive.  Previously in such
cases isp(4) returned CAM_DATA_RUN_ERR, while now it returns resid > 0.

MFC after:	2 weeks
2017-02-26 12:52:44 +00:00
..