tracing: Get trace_array ref counts when accessing trace files
tracing: Get trace_array ref counts when accessing trace files

When a trace file is opened that may access a trace array, it must
increment its ref count to prevent it from being deleted.

Cc: 4fbacc2fa0ffdbb11bf1ad6925b886ebd08dd15f@vger.kernel.org # 3.10
Reported-by: Alexander Lam <03fca28f4feea1a7d93654bea20660d7306832b4@google.com>
Signed-off-by: Steven Rostedt <43232e92d70cc7aa53504ad0397085ee47bad87f@goodmis.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs