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Driver core: remove use of rwsem
author
Greg Kroah-Hartman
<gregkh@suse.de>
Mon, 9 Apr 2007 15:52:31 +0000
(11:52 -0400)
committer
Greg Kroah-Hartman
<gregkh@suse.de>
Fri, 27 Apr 2007 17:57:30 +0000
(10:57 -0700)
This lock is never used by the rest of the driver core, so the fact that
we are grabbing it here means it isn't correct...
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/base/power/shutdown.c
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diff --git
a/drivers/base/power/shutdown.c
b/drivers/base/power/shutdown.c
index 3483ae4d57f59a09025d8d0c49d2100ea72c81ee..58b6f77a1b340f3bfc70527758c501be18ed6f52 100644
(file)
--- a/
drivers/base/power/shutdown.c
+++ b/
drivers/base/power/shutdown.c
@@
-36,7
+36,6
@@
void device_shutdown(void)
{
struct device * dev, *devn;
- down_write(&devices_subsys.rwsem);
list_for_each_entry_safe_reverse(dev, devn, &devices_subsys.kset.list,
kobj.entry) {
if (dev->bus && dev->bus->shutdown) {
@@
-47,7
+46,6
@@
void device_shutdown(void)
dev->driver->shutdown(dev);
}
}
- up_write(&devices_subsys.rwsem);
sysdev_shutdown();
}