fix return code of recursive all of cgroup_tree_prune

Signed-off-by: Guido Jäkel <g.jaekel@dnb.de>

diff --git a/src/lxc/cgroups/cgroup_utils.c b/src/lxc/cgroups/cgroup_utils.c
index 3de90fc88cd5e0b05de9f0590bd3fbc7198a0603..0ef7208d2e7d83833cbdbb97427f6c8e34a0adeb 100644 (file)
--- a/src/lxc/cgroups/cgroup_utils.c
+++ b/src/lxc/cgroups/cgroup_utils.c
@@ -83,7 +83,7 @@ int cgroup_tree_prune(int dfd, const char *path)
 
                ret = cgroup_tree_prune(dfd_dup, direntp->d_name);
                if (ret < 0)
-                       return -errno;
+                       return ret;
        }
 
        ret = unlinkat(dfd, path, AT_REMOVEDIR);