mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 01:10:04 +00:00
perf cs-etm: Bail out immediately for instruction sample failure
If the instruction sample failure has happened, it isn't necessary to execute to the end of the function cs_etm__flush(). This commit is to bail out immediately and return the error code. Signed-off-by: Leo Yan <leo.yan@linaro.org> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Kim Phillips <kim.phillips@arm.com> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Robert Walker <robert.walker@arm.com> Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/1529298599-3876-3-git-send-email-leo.yan@linaro.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
parent
6abf0f4510
commit
6cd4ac6a02
1 changed files with 3 additions and 0 deletions
|
@ -939,6 +939,9 @@ static int cs_etm__flush(struct cs_etm_queue *etmq)
|
|||
err = cs_etm__synth_instruction_sample(
|
||||
etmq, addr,
|
||||
etmq->period_instructions);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
etmq->period_instructions = 0;
|
||||
|
||||
/*
|
||||
|
|
Loading…
Reference in a new issue