linux-kernel - [PATCH 19/21] perf tools: Fix memory leak on error

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Date:	Wed, 30 Jan 2013 11:47:00 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Thomas Jarosch <thomas.jarosch@...ra2net.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 19/21] perf tools: Fix memory leak on error

From: Thomas Jarosch <thomas.jarosch@...ra2net.com>

cppcheck reported:
[util/event.c:480]: (error) Memory leak: event

Signed-off-by: Thomas Jarosch <thomas.jarosch@...ra2net.com>
Link: http://lkml.kernel.org/r/2717013.8dV0naNhAV@storm
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/event.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 3cf2c3e..5cd13d7 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -476,8 +476,10 @@ int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
 		}
 	}
 
-	if (kallsyms__parse(filename, &args, find_symbol_cb) <= 0)
+	if (kallsyms__parse(filename, &args, find_symbol_cb) <= 0) {
+		free(event);
 		return -ENOENT;
+	}
 
 	map = machine->vmlinux_maps[MAP__FUNCTION];
 	size = snprintf(event->mmap.filename, sizeof(event->mmap.filename),
-- 
1.8.1.1.361.gec3ae6e

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