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Subject[PATCH 3/3] perf c2c: Prevent potential memory leak in c2c_he_zalloc
Date
Free allocated resources when zalloc is failed for members in c2c_he, to
prevent potential memory leak in c2c_he_zalloc.

Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
---
tools/perf/builtin-c2c.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 12f272811487..5530433eda80 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -146,15 +146,15 @@ static void *c2c_he_zalloc(size_t size)

c2c_he->cpuset = bitmap_zalloc(c2c.cpus_cnt);
if (!c2c_he->cpuset)
- return NULL;
+ goto out_free_he;

c2c_he->nodeset = bitmap_zalloc(c2c.nodes_cnt);
if (!c2c_he->nodeset)
- return NULL;
+ goto out_free_cpuset;

c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats));
if (!c2c_he->node_stats)
- return NULL;
+ goto out_free_nodeset;

init_stats(&c2c_he->cstats.lcl_hitm);
init_stats(&c2c_he->cstats.rmt_hitm);
@@ -163,6 +163,14 @@ static void *c2c_he_zalloc(size_t size)
init_stats(&c2c_he->cstats.load);

return &c2c_he->he;
+
+out_free_nodeset:
+ free(c2c_he->nodeset);
+out_free_cpuset:
+ free(c2c_he->cpuset);
+out_free_he:
+ free(c2c_he);
+ return NULL;
}

static void c2c_he_free(void *he)
--
2.17.1
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