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-rw-r--r--kernel/kthread.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/kernel/kthread.c b/kernel/kthread.c
index c46128ec0c0a..c5e40830c1f2 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -715,6 +715,24 @@ int kthread_stop(struct task_struct *k)
}
EXPORT_SYMBOL(kthread_stop);
+/**
+ * kthread_stop_put - stop a thread and put its task struct
+ * @k: thread created by kthread_create().
+ *
+ * Stops a thread created by kthread_create() and put its task_struct.
+ * Only use when holding an extra task struct reference obtained by
+ * calling get_task_struct().
+ */
+int kthread_stop_put(struct task_struct *k)
+{
+ int ret;
+
+ ret = kthread_stop(k);
+ put_task_struct(k);
+ return ret;
+}
+EXPORT_SYMBOL(kthread_stop_put);
+
int kthreadd(void *unused)
{
struct task_struct *tsk = current;