synchronize all tasks submitted by .shutdown
Signed-off-by: Shaohua Li <[email protected]>
---
drivers/base/core.c | 2 ++
1 file changed, 2 insertions(+)
Index: linux/drivers/base/core.c
===================================================================
--- linux.orig/drivers/base/core.c 2009-01-12 14:39:07.000000000 +0800
+++ linux/drivers/base/core.c 2009-01-12 14:40:45.000000000 +0800
@@ -22,6 +22,7 @@
#include <linux/kallsyms.h>
#include <linux/semaphore.h>
#include <linux/mutex.h>
+#include <linux/async.h>
#include "base.h"
#include "power/power.h"
@@ -1618,4 +1619,5 @@ void device_shutdown(void)
kobject_put(sysfs_dev_char_kobj);
kobject_put(sysfs_dev_block_kobj);
kobject_put(dev_kobj);
+ async_synchronize_full();
}