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perf diff: Fix error return value in __cmd_diff()

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An appropriate return value should be set on the failed path.

Fixes: 2a09a84c72 ("perf diff: Support hot streams comparison")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20201124103652.438-1-thunder.leizhen@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Zhen Lei 2020-11-24 18:36:52 +08:00 committed by Arnaldo Carvalho de Melo
parent 3b13eaf0ba
commit 9713070028
1 changed files with 3 additions and 1 deletions
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4
tools/perf/builtin-diff.c
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@ -1222,10 +1222,12 @@ static int __cmd_diff(void)
if (compute == COMPUTE_STREAM) {
d->evlist_streams = evlist__create_streams(
d->session->evlist, 5);
if (!d->evlist_streams)
if (!d->evlist_streams) {
ret = -ENOMEM;
goto out_delete;
}
}
}
if (compute == COMPUTE_STREAM)
stream_process();