Re: [PATCH 2.6.21-rc1] ibmebus: Use of_device_uevent()

From: Sylvain Munaut
Date: Sat Feb 17 2007 - 04:37:38 EST


Hoang-Nam Nguyen wrote:
> This patch replaces ibmebus_uevent() by Sylvain's generic function.
>
> struct bus_type ibmebus_bus_type = {
> - .name = "ibmebus",
> - .uevent = ibmebus_uevent,
> - .match = ibmebus_bus_match,
> + .name = "ibmebus",
> + .uevent = of_device_uevent,
> + .match = ibmebus_bus_match,
> };
> EXPORT_SYMBOL(ibmebus_bus_type);
>
Doesn't that oops when called with the fake parent device ?

Either you do a wrapper that test for it (that's what I did when I
posted the patch).
Or, an even better approach is to add this

+ if (!ebus_dev->ofdev.node)
+ return -ENODEV;

inside the code of of_device_uevent itself.


Sylvain



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