diff options
| -rw-r--r-- | kernel/cgroup/cgroup.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 809b13588124..e41c21819ba0 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -3681,6 +3681,9 @@ static ssize_t cgroup_file_write(struct kernfs_open_file *of, char *buf, struct cgroup_subsys_state *css; int ret; + if (!nbytes) + return 0; + /* * If namespaces are delegation boundaries, disallow writes to * files in an non-init namespace root from inside the namespace |