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SubjectRe: [PATCH 12/16] PCI slot: Use .default_attrs for address file (Not for mainline!)
* Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>:
> Use .default_attrs for 'address' file. This can simplify the code.

Thanks, merged.

/ac

>
> Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
>
> ---
> drivers/pci/slot.c | 36 +++++++++---------------------------
> 1 file changed, 9 insertions(+), 27 deletions(-)
>
> Index: linux-2.6.25-rc6/drivers/pci/slot.c
> ===================================================================
> --- linux-2.6.25-rc6.orig/drivers/pci/slot.c
> +++ linux-2.6.25-rc6/drivers/pci/slot.c
> @@ -39,25 +39,6 @@ static ssize_t address_read_file(struct
> slot->bus->number, slot->number);
> }
>
> -static struct pci_slot_attribute pci_slot_attr_address = {
> - .attr = { .name = "address", .mode = S_IFREG | S_IRUGO },
> - .show = address_read_file,
> -};
> -
> -static void remove_sysfs_files(struct pci_slot *slot)
> -{
> - sysfs_remove_file(&slot->kobj, &pci_slot_attr_address.attr);
> -}
> -
> -static int create_sysfs_files(struct pci_slot *slot)
> -{
> - int result;
> -
> - result = sysfs_create_file(&slot->kobj, &pci_slot_attr_address.attr);
> -
> - return result;
> -}
> -
> static void pci_slot_release(struct kobject *kobj)
> {
> struct pci_slot *slot = to_pci_slot(kobj);
> @@ -67,13 +48,21 @@ static void pci_slot_release(struct kobj
>
> list_del(&slot->list);
>
> - remove_sysfs_files(slot);
> kfree(slot);
> }
>
> +static struct pci_slot_attribute pci_slot_attr_address =
> + __ATTR(address, (S_IFREG | S_IRUGO), address_read_file, NULL);
> +
> +static struct attribute *pci_slot_default_attrs[] = {
> + &pci_slot_attr_address.attr,
> + NULL,
> +};
> +
> static struct kobj_type pci_slot_ktype = {
> .sysfs_ops = &pci_slot_sysfs_ops,
> .release = &pci_slot_release,
> + .default_attrs = pci_slot_default_attrs,
> };
>
> struct pci_slot *pci_create_slot(struct pci_bus *parent, int slot_nr,
> @@ -114,10 +103,6 @@ struct pci_slot *pci_create_slot(struct
> goto err;
> }
>
> - err = create_sysfs_files(slot);
> - if (err)
> - goto unregister;
> -
> INIT_LIST_HEAD(&slot->list);
> list_add(&slot->list, &parent->slots);
>
> @@ -127,9 +112,6 @@ struct pci_slot *pci_create_slot(struct
> out:
> up_write(&pci_bus_sem);
> return slot;
> -
> - unregister:
> - kobject_put(&slot->kobj);
> err:
> kfree(slot);
> slot = ERR_PTR(err);
>
>


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