Merge branch 'stable-3.2' into pandora-3.2
[pandora-kernel.git] / kernel / cpuset.c
index 84a524b..835eee6 100644 (file)
@@ -2507,8 +2507,16 @@ 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",