On Mon, 9 Oct 2006 18:12:01 +0900,
[email protected] (Akinobu Mita) wrote:
> This patch handles bus_attach_device() failure in device_add().
>
> Cc: Greg Kroah-Hartman <[email protected]>
> Signed-off-by: Akinobu Mita <[email protected]>
>
> drivers/base/core.c | 22 ++++++++++++++++------
> 1 file changed, 16 insertions(+), 6 deletions(-)
>
> Index: 2.6-mm/drivers/base/core.c
> ===================================================================
> --- 2.6-mm.orig/drivers/base/core.c 2006-10-03 22:58:40.000000000 +0900
> +++ 2.6-mm/drivers/base/core.c 2006-10-09 16:57:52.000000000 +0900
> @@ -530,7 +530,9 @@ int device_add(struct device *dev)
> if ((error = bus_add_device(dev)))
> goto BusError;
> kobject_uevent(&dev->kobj, KOBJ_ADD);
> - bus_attach_device(dev);
> + if ((error = bus_attach_device(dev)))
> + goto BusAttachError;
> +
> if (parent)
> klist_add_tail(&dev->knode_parent, &parent->klist_children);
>
> @@ -548,6 +550,8 @@ int device_add(struct device *dev)
> Done:
> put_device(dev);
> return error;
> + BusAttachError:
> + bus_remove_device(dev);
> BusError:
> device_pm_remove(dev);
> PMError:
This won't quite work :)
See also
http://marc.theaimsgroup.com/?l=linux-kernel&m=116008235424179&w=2 ff.
for a discussion on it. I'll send an updated patch soon :)
--
Cornelia Huck
Linux for zSeries Developer
Tel.: +49-7031-16-4837, Mail: [email protected]
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