perf metric: Fix memory leak in expr__add_id function

[linux-2.6-microblaze.git] / tools / perf / util / expr.c

diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c
index 5d05f97..578a173 100644 (file)
--- a/tools/perf/util/expr.c
+++ b/tools/perf/util/expr.c
@@ -47,6 +47,8 @@ int expr__add_id_val(struct expr_parse_ctx *ctx, const char *id, double val)
        }
        ret = hashmap__set(&ctx->ids, id, data_ptr,
                           (const void **)&old_key, (void **)&old_data);
+       if (ret)
+               free(data_ptr);
        free(old_key);
        free(old_data);
        return ret;