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