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From: Dasgupta, Romit on 6 Nov 2009 04:40
Kicks out a frozen thread from the refrigerator when an active thread has
invoked kthread_stop on the frozen thread.

Signed-off-by: Romit Dasgupta <romit(a)ti.com>
---

diff --git a/kernel/freezer.c b/kernel/freezer.c
index bd1d42b..c28dbe8 100644
--- a/kernel/freezer.c
+++ b/kernel/freezer.c
@@ -9,6 +9,7 @@
#include <linux/module.h>
#include <linux/syscalls.h>
#include <linux/freezer.h>
+#include <linux/kthread.h>

/*
* freezing is complete, mark current process as frozen
@@ -49,7 +50,7 @@ void refrigerator(void)

for (;;) {
set_current_state(TASK_UNINTERRUPTIBLE);
- if (!frozen(current))
+ if (!frozen(current) || (!current->mm && kthread_should_stop()))
break;
schedule();
}
--
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