[PATCH 20/46] Driver core: remove use of rwsem

Greg Kroah-Hartman
2007-04-27T18:58:30Z

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 | 2 --
1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/drivers/base/power/shutdown.c b/drivers/base/power/shutdown.c
index 3483ae4..58b6f77 100644
--- 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();
}
--
1.5.1.2