staging: usbip: use DEVICE_ATTR_RO/RW for sysfs attributes
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 26 Aug 2013 19:02:54 +0000 (12:02 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 26 Aug 2013 19:02:54 +0000 (12:02 -0700)
It's easier to audit the sysfs files if they use the RO/RW macros, so
convert the usbip code to them.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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