locking/mutex: Fix debug_mutexes
debug_mutex_unlock() would bail when !debug_locks and forgets to actually unlock. Reported-by: N"Michael L. Semon" <mlsemon35@gmail.com> Reported-by: N"Kirill A. Shutemov" <kirill@shutemov.name> Reported-by: NValdis Kletnieks <Valdis.Kletnieks@vt.edu> Fixes: 6f008e72 ("locking/mutex: Fix debug checks") Tested-by: NDave Jones <davej@redhat.com> Cc: Jason Low <jason.low2@hp.com> Signed-off-by: NPeter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20140410141559.GE13658@twins.programming.kicks-ass.netSigned-off-by: NIngo Molnar <mingo@kernel.org>
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