提交 e7ccdfec 编写于 作者: G Greg Kroah-Hartman

USB: fix __must_check warnings in drivers/usb/atm/

Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
上级 4d42e1bb
......@@ -1621,26 +1621,32 @@ static int claim_interface(struct usb_device *usb_dev,
return ret;
}
static void create_fs_entries(struct uea_softc *sc, struct usb_interface *intf)
static struct attribute *attrs[] = {
&dev_attr_stat_status.attr,
&dev_attr_stat_mflags.attr,
&dev_attr_stat_human_status.attr,
&dev_attr_stat_delin.attr,
&dev_attr_stat_vidcpe.attr,
&dev_attr_stat_usrate.attr,
&dev_attr_stat_dsrate.attr,
&dev_attr_stat_usattenuation.attr,
&dev_attr_stat_dsattenuation.attr,
&dev_attr_stat_usmargin.attr,
&dev_attr_stat_dsmargin.attr,
&dev_attr_stat_txflow.attr,
&dev_attr_stat_rxflow.attr,
&dev_attr_stat_uscorr.attr,
&dev_attr_stat_dscorr.attr,
&dev_attr_stat_usunc.attr,
&dev_attr_stat_dsunc.attr,
};
static struct attribute_group attr_grp = {
.attrs = attrs,
};
static int create_fs_entries(struct usb_interface *intf)
{
/* sysfs interface */
device_create_file(&intf->dev, &dev_attr_stat_status);
device_create_file(&intf->dev, &dev_attr_stat_mflags);
device_create_file(&intf->dev, &dev_attr_stat_human_status);
device_create_file(&intf->dev, &dev_attr_stat_delin);
device_create_file(&intf->dev, &dev_attr_stat_vidcpe);
device_create_file(&intf->dev, &dev_attr_stat_usrate);
device_create_file(&intf->dev, &dev_attr_stat_dsrate);
device_create_file(&intf->dev, &dev_attr_stat_usattenuation);
device_create_file(&intf->dev, &dev_attr_stat_dsattenuation);
device_create_file(&intf->dev, &dev_attr_stat_usmargin);
device_create_file(&intf->dev, &dev_attr_stat_dsmargin);
device_create_file(&intf->dev, &dev_attr_stat_txflow);
device_create_file(&intf->dev, &dev_attr_stat_rxflow);
device_create_file(&intf->dev, &dev_attr_stat_uscorr);
device_create_file(&intf->dev, &dev_attr_stat_dscorr);
device_create_file(&intf->dev, &dev_attr_stat_usunc);
device_create_file(&intf->dev, &dev_attr_stat_dsunc);
return sysfs_create_group(&intf->dev.kobj, &attr_grp);
}
static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf,
......@@ -1708,37 +1714,25 @@ static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf,
return ret;
}
create_fs_entries(sc, intf);
ret = create_fs_entries(intf);
if (ret) {
uea_stop(sc);
kfree(sc);
return ret;
}
return 0;
}
static void destroy_fs_entries(struct uea_softc *sc, struct usb_interface *intf)
static void destroy_fs_entries(struct usb_interface *intf)
{
/* sysfs interface */
device_remove_file(&intf->dev, &dev_attr_stat_status);
device_remove_file(&intf->dev, &dev_attr_stat_mflags);
device_remove_file(&intf->dev, &dev_attr_stat_human_status);
device_remove_file(&intf->dev, &dev_attr_stat_delin);
device_remove_file(&intf->dev, &dev_attr_stat_vidcpe);
device_remove_file(&intf->dev, &dev_attr_stat_usrate);
device_remove_file(&intf->dev, &dev_attr_stat_dsrate);
device_remove_file(&intf->dev, &dev_attr_stat_usattenuation);
device_remove_file(&intf->dev, &dev_attr_stat_dsattenuation);
device_remove_file(&intf->dev, &dev_attr_stat_usmargin);
device_remove_file(&intf->dev, &dev_attr_stat_dsmargin);
device_remove_file(&intf->dev, &dev_attr_stat_txflow);
device_remove_file(&intf->dev, &dev_attr_stat_rxflow);
device_remove_file(&intf->dev, &dev_attr_stat_uscorr);
device_remove_file(&intf->dev, &dev_attr_stat_dscorr);
device_remove_file(&intf->dev, &dev_attr_stat_usunc);
device_remove_file(&intf->dev, &dev_attr_stat_dsunc);
sysfs_remove_group(&intf->dev.kobj, &attr_grp);
}
static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf)
{
struct uea_softc *sc = usbatm->driver_data;
destroy_fs_entries(sc, intf);
destroy_fs_entries(intf);
uea_stop(sc);
kfree(sc);
}
......
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