[patch 30/37] Remove redundant up() in stop_machine()

[Greg KH]

-stable review patch.  If anyone has any objections, please let us know.

------------------
From: "Yingchao Zhou" <yingchao.zhou@xxxxxxxxx>

An up() is called in kernel/stop_machine.c on failure, and also in the
caller (unconditionally).

Signed-off-by: Zhou Yingchao <yingchao.zhou@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 kernel/stop_machine.c |    1 -
 1 file changed, 1 deletion(-)

--- linux-2.6.17.11.orig/kernel/stop_machine.c
+++ linux-2.6.17.11/kernel/stop_machine.c
@@ -111,7 +111,6 @@ static int stop_machine(void)
 	/* If some failed, kill them all. */
 	if (ret < 0) {
 		stopmachine_set_state(STOPMACHINE_EXIT);
-		up(&stopmachine_mutex);
 		return ret;
 	}
 

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