linux-kernel - [PATCH 06/15] perf tools: fix parse_events_terms() freeing local variable on error path

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Date:	Mon, 24 Jun 2013 16:16:03 +0300
From:	Adrian Hunter <adrian.hunter@...el.com>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	linux-kernel@...r.kernel.org, David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>, Mike Galbraith <efault@....de>,
	Namhyung Kim <namhyung@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>
Subject: [PATCH 06/15] perf tools: fix parse_events_terms() freeing local variable on error path

The list_head is on the stack, so just free the rest of the list.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---
 tools/perf/util/pmu.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 4c6f9c4..def64d4 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -194,7 +194,8 @@ static int pmu_alias_terms(struct perf_pmu_alias *alias,
 	list_for_each_entry(term, &alias->terms, list) {
 		ret = parse_events_term__clone(&clone, term);
 		if (ret) {
-			parse_events__free_terms(&list);
+			list_for_each_entry_safe(term, clone, &list, list)
+				free(term);
 			return ret;
 		}
 		list_add_tail(&clone->list, &list);
-- 
1.7.11.7

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