diff options
| author | Mathieu Poirier <mathieu.poirier@linaro.org> | 2019-02-12 10:16:08 -0700 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-02-14 15:18:06 -0300 |
| commit | d3267ad43dd8b3778f9b3deb9a3946c844bdc9dc (patch) | |
| tree | ba5a24e586a02ada23cae337a8dbd18a29ff6a4d /tools/perf/util | |
| parent | fc7ac4138cf5ab76850bca2b9a8f43449c762a37 (diff) | |
| download | linux-d3267ad43dd8b3778f9b3deb9a3946c844bdc9dc.tar.bz2 | |
perf cs-etm: Fix wrong return values in error path
Function cs_etm__mem_access() is supposed to return a u32 but the error
path returns negative values at a couple of places, something that really
throws off the clients using it. Fix the situation by return '0'.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Suzuki K Poulouse <suzuki.poulose@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/20190212171618.25355-4-mathieu.poirier@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/cs-etm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c index 1d9419a0cf0c..f396fee9bb95 100644 --- a/tools/perf/util/cs-etm.c +++ b/tools/perf/util/cs-etm.c @@ -324,7 +324,7 @@ static u32 cs_etm__mem_access(struct cs_etm_queue *etmq, u64 address, struct addr_location al; if (!etmq) - return -1; + return 0; machine = etmq->etm->machine; cpumode = cs_etm__cpu_mode(etmq, address); @@ -332,7 +332,7 @@ static u32 cs_etm__mem_access(struct cs_etm_queue *etmq, u64 address, thread = etmq->thread; if (!thread) { if (cpumode != PERF_RECORD_MISC_KERNEL) - return -EINVAL; + return 0; thread = etmq->etm->unknown_thread; } |