autotest/tp-qemu — pull request #43 by ypu (2014-03-13 15:16:39+00:00)
Title: qemu.tests: Update hdparm to work with old guests

In the old guests, hdparm command line always exits with status 0.
So remove the status check in the code. And also add a count to
caculate the unsupport parameters number. If all parameters are
not supported, fail the case with TestNAError.