hg: dio/dev: 8066264: OOM when SPI.writeAndRead with skip

[sergey.nazarkin at oracle.com]

Changeset: 958ec7f4180f
Author:    snazarki
Date:      2014-12-03 21:24 +0400
URL:       http://hg.openjdk.java.net/dio/dev/rev/958ec7f4180f

8066264: OOM when SPI.writeAndRead with skip
Summary: Fixed the case when write buffer is exhausted but there is space to read
Reviewed-by: snazarki
Contributed-by: alexey.mironov at oracle.com

! src/share/classes/com/oracle/dio/impl/AbstractPeripheral.java
! src/share/classes/com/oracle/dio/spibus/impl/SPISlaveImpl.java