1 files changed, 1 insertions, 3 deletions

diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 3ea63da11d71..d9349cc48b95 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -1821,15 +1821,13 @@ void cpuset_fork(struct task_struct *child)
  *
  * We don't need to task_lock() this reference to tsk->cpuset,
  * because tsk is already marked PF_EXITING, so attach_task() won't
- * mess with it.
+ * mess with it, or task is a failed fork, never visible to attach_task.
  **/
 
 void cpuset_exit(struct task_struct *tsk)
 {
         struct cpuset *cs;
 
-        BUG_ON(!(tsk->flags & PF_EXITING));
-
         cs = tsk->cpuset;
         tsk->cpuset = NULL;