diff options
| -rw-r--r-- | kernel/cpuset.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 6cbe0330249d..ea76c9c5d42d 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -2499,8 +2499,16 @@ void cpuset_print_task_mems_allowed(struct task_struct *tsk) dentry = task_cs(tsk)->css.cgroup->dentry; spin_lock(&cpuset_buffer_lock); - snprintf(cpuset_name, CPUSET_NAME_LEN, - dentry ? (const char *)dentry->d_name.name : "/"); + + if (!dentry) { + strcpy(cpuset_name, "/"); + } else { + spin_lock(&dentry->d_lock); + strlcpy(cpuset_name, (const char *)dentry->d_name.name, + CPUSET_NAME_LEN); + spin_unlock(&dentry->d_lock); + } + nodelist_scnprintf(cpuset_nodelist, CPUSET_NODELIST_LEN, tsk->mems_allowed); printk(KERN_INFO "%s cpuset=%s mems_allowed=%s\n", |