Kay Sievers wrote:
> On 5/10/07, Tejun Heo <[email protected]> wrote:
>> Currently, devt_attr for the "dev" file is freed immediately on device
>> removal, but if the "dev" sysfs file is open when a device is removed,
>> sysfs will access its attribute structure for further access including
>> close resulting in jumping to garbled address. Fix it by postponing
>> freeing devt_attr to device release time.
>>
>> Note that devt_attr for class_device is already freed on release.
>
> Hi Tejun,
> your rework removes the "owner" field from the attributes. I think we
> kept the "dev" and "uevent" attribute as part of "struct device" only
> to be able to assign it the actual owner of the module that has
> created the device. The attribute can probably just live as one
> instance statically in the driver core now?
Yeah, that's -mm and this is for -stable and -22. For -mm, we can just
make all those attributes static which is the other patch is this
thread. :-)
--
tejun
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