tree 41af3c73315a62207bbaddb384804fc74324e2fc
parent f1cecf52c069c83e2cba368212b0a7ffc5de7f05
author John L. Villalovos <john.l.villalovos@intel.com> 1455053458 -0800
committer John L. Villalovos <john.l.villalovos@intel.com> 1455053544 -0800

Handle case where FUNCNAME[0] is undefined

If FUNCNAME[0] is undefined and 'set -u' has been used it will cause the
devstack run to fail.

Handle undefined values in PS4.

Closes-Bug: #1543749
Change-Id: I06a013a5e7683e3a3461ff06361d867f61d48e6a