Adrian Hunter 076333870c perf intel-pt: Fix divide by zero when TSC is not available
When TSC is not available, "timeless" decoding is used but a divide by
zero occurs if perf_time_to_tsc() is called.

Ensure the divisor is not zero.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@vger.kernel.org # v4.9+
Link: https://lkml.kernel.org/n/tip-1i4j0wqoc8vlbkcizqqxpsf4@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-03-01 14:48:30 -03:00
..
2019-01-19 05:55:42 +12:00
2018-12-28 16:33:08 -03:00
2019-01-03 14:05:16 +01:00