linux-kernel - [PATCH] perf tools: Put the function return operation at the end of the function

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Date:   Thu, 12 Oct 2023 11:10:03 +0800
From:   "Kunwu.Chan" <chentao@...inos.cn>
To:     peterz@...radead.org, mingo@...hat.com, acme@...nel.org,
        mark.rutland@....com, alexander.shishkin@...ux.intel.com,
        jolsa@...nel.org, namhyung@...nel.org, irogers@...gle.com,
        adrian.hunter@...el.com, kan.liang@...ux.intel.com,
        seanjc@...gle.com, kprateek.nayak@....com, robert.richter@....com
Cc:     linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        kunwu.chan@...mail.com, "Kunwu.Chan" <chentao@...inos.cn>
Subject: [PATCH] perf tools: Put the function return operation at the end of the function

Function return operations should be performed after resource release.

Fixes: 4e1b9c679fcb ("perf tools: Refactor print_event_desc()")
Signed-off-by: Kunwu.Chan <chentao@...inos.cn>
---
 tools/perf/util/header.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index d812e1e371a7..5763f21844b1 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -1998,13 +1998,14 @@ static struct evsel *read_event_desc(struct feat_fd *ff)
 			id++;
 		}
 	}
-out:
-	free(buf);
-	return events;
+
 error:
 	free_event_desc(events);
 	events = NULL;
-	goto out;
+
+out:
+	free(buf);
+	return events;
 }
 
 static int __desc_attr__fprintf(FILE *fp, const char *name, const char *val,
-- 
2.25.1