Re: [PATCH 1/2] USB / PM: Don't try to hide PM QoS flags fromusb_port_device_release()

[Greg Kroah-Hartman]

On Mon, Apr 01, 2013 at 12:57:21AM +0200, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> 
> Remove the call to dev_pm_qos_hide_flags(), added by commit 6e30d7cb
> "usb: Add driver/usb/core/(port.c,hub.h) files", from
> usb_port_device_release(), because (1) it is completely unnecessary
> (the flags have been removed already by the PM core during the
> unregistration of the device object) and (2) it triggers a NULL
> pointer dereference in sysfs_find_dirent() (dev->kobj->sd is NULL at
> this point).
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>

Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
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