linux-kernel - [tip:perf/core] perf tools: Fix memory leak on error

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Message-ID: <tip-0b9e01a4f0d1c8277da6824fe060ccb0434d2fde@git.kernel.org>
Date:	Thu, 31 Jan 2013 03:02:38 -0800
From:	tip-bot for Thomas Jarosch <thomas.jarosch@...ra2net.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, hpa@...or.com,
	mingo@...nel.org, thomas.jarosch@...ra2net.com, tglx@...utronix.de
Subject: [tip:perf/core] perf tools: Fix memory leak on error

Commit-ID:  0b9e01a4f0d1c8277da6824fe060ccb0434d2fde
Gitweb:     http://git.kernel.org/tip/0b9e01a4f0d1c8277da6824fe060ccb0434d2fde
Author:     Thomas Jarosch <thomas.jarosch@...ra2net.com>
AuthorDate: Fri, 25 Jan 2013 11:20:47 +0100
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 30 Jan 2013 10:40:05 -0300

perf tools: Fix memory leak on error

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),
--
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