coverity: free dent_buf on error path (cgroup.c)

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>

diff --git a/src/lxc/cgroup.c b/src/lxc/cgroup.c
index 49cc19055803ec7bd9bc33e97e7dc6ee2db8da6b..5831e4e4c7efbbce1e3491bc508d86c51bbff4eb 100644 (file)
--- a/src/lxc/cgroup.c
+++ b/src/lxc/cgroup.c
@@ -1864,8 +1864,10 @@ int cgroup_recursive_task_count(const char *cgroup_path)
        process_lock();
        d = opendir(cgroup_path);
        process_unlock();
-       if (!d)
+       if (!d) {
+               free(dent_buf);
                return 0;
+       }
 
        while (readdir_r(d, dent_buf, &dent) == 0 && dent) {
                const char *parts[3] = {