tree 2a7b94f6653372042e03f618e1473bc28e9c6a65
parent 42547d0cf75b06732283bd955c53be1798d47954
author Janos Follath <janos.follath@arm.com> 1474877744 +0100
committer Simon Butcher <simon.butcher@arm.com> 1476363067 +0100

Add safety check to sample mutex implementation

Due to inconsistent freeing strategy in pkparse.c the sample mutex
implementation in threading.c could lead to undefined behaviour by
destroying the same mutex several times.

This fix prevents mutexes from being destroyed several times in the
sample threading implementation.