[PATCH] perf svghelper: fix memory leak in svg_build_topology_map

[Li Bin]

Fix leak of memory pointed to by t.sib_thr and t.sib_core in
svg_build_topology_map in the non-error path.

Signed-off-by: Li Bin <huawei.li...@huawei.com>
---
 tools/perf/util/svghelper.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c
index 96f941e..d50955f 100644
--- a/tools/perf/util/svghelper.c
+++ b/tools/perf/util/svghelper.c
@@ -754,6 +754,7 @@ int svg_build_topology_map(struct perf_env *env)
        int i, nr_cpus;
        struct topology t;
        char *sib_core, *sib_thr;
+       int ret = -1;
 
        nr_cpus = min(env->nr_cpus_online, MAX_NR_CPUS);
 
@@ -798,12 +799,11 @@ int svg_build_topology_map(struct perf_env *env)
                topology_map[i] = -1;
 
        scan_core_topology(topology_map, &t, nr_cpus);
-
-       return 0;
+       ret = 0;
 
 exit:
        zfree(&t.sib_core);
        zfree(&t.sib_thr);
 
-       return -1;
+       return ret;
 }
-- 
1.7.12.4