kthread_stop
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## Name

kthread_stop — stop a thread created by `kthread_create`.

## Synopsis

`int kthread_stop (` | struct task_struct * k`)`;

## Arguments

`k`

  thread created by `kthread_create`.

## Description

Sets `kthread_should_stop` for `k` to return true, wakes it, and waits for it to exit. This can also be called after `kthread_create` instead of calling `wake_up_process`: the thread will exit without calling `threadfn`.

If `threadfn` may call `do_exit` itself, the caller must ensure task_struct can't go away.

Returns the result of `threadfn`, or `-EINTR` if `wake_up_process` was never called.

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