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Subject[tip:perf/core] perf time-utils: Simplify perf_time__parse_for_ranges() error paths slightly
Commit-ID:  2a8afddc084a5f5f933382758dd2767ed8a69f77
Gitweb: https://git.kernel.org/tip/2a8afddc084a5f5f933382758dd2767ed8a69f77
Author: Adrian Hunter <adrian.hunter@intel.com>
AuthorDate: Tue, 4 Jun 2019 16:00:14 +0300
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Mon, 10 Jun 2019 16:20:12 -0300

perf time-utils: Simplify perf_time__parse_for_ranges() error paths slightly

Simplify perf_time__parse_for_ranges() error paths slightly.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20190604130017.31207-17-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/time-utils.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/tools/perf/util/time-utils.c b/tools/perf/util/time-utils.c
index 3e87c21c293c..9a463752dba8 100644
--- a/tools/perf/util/time-utils.c
+++ b/tools/perf/util/time-utils.c
@@ -403,7 +403,7 @@ int perf_time__parse_for_ranges(const char *time_str,
int *range_size, int *range_num)
{
struct perf_time_interval *ptime_range;
- int size, num, ret;
+ int size, num, ret = -EINVAL;

ptime_range = perf_time__range_alloc(time_str, &size);
if (!ptime_range)
@@ -415,7 +415,6 @@ int perf_time__parse_for_ranges(const char *time_str,
pr_err("HINT: no first/last sample time found in perf data.\n"
"Please use latest perf binary to execute 'perf record'\n"
"(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n");
- ret = -EINVAL;
goto error;
}

@@ -425,11 +424,8 @@ int perf_time__parse_for_ranges(const char *time_str,
session->evlist->first_sample_time,
session->evlist->last_sample_time);

- if (num < 0) {
- pr_err("Invalid time string\n");
- ret = -EINVAL;
- goto error;
- }
+ if (num < 0)
+ goto error_invalid;
} else {
num = 1;
}
@@ -439,6 +435,8 @@ int perf_time__parse_for_ranges(const char *time_str,
*ranges = ptime_range;
return 0;

+error_invalid:
+ pr_err("Invalid time string\n");
error:
free(ptime_range);
return ret;
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