Re: [PATCH 5/9] usb: fix empty-body warning in sysfs.c

From: Randy Dunlap
Date: Sat Apr 18 2020 - 14:46:43 EST


On 4/18/20 11:44 AM, Matthew Wilcox wrote:
> On Sat, Apr 18, 2020 at 11:41:07AM -0700, Randy Dunlap wrote:
>> +++ linux-next-20200327/drivers/usb/core/sysfs.c
>> @@ -1263,7 +1263,7 @@ void usb_create_sysfs_intf_files(struct
>> if (!alt->string && !(udev->quirks & USB_QUIRK_CONFIG_INTF_STRINGS))
>> alt->string = usb_cache_string(udev, alt->desc.iInterface);
>> if (alt->string && device_create_file(&intf->dev, &dev_attr_interface))
>> - ; /* We don't actually care if the function fails. */
>> + do_empty(); /* We don't actually care if the function fails. */
>> intf->sysfs_files_created = 1;
>> }
>
> Why not just?
>
> + if (alt->string)
> + device_create_file(&intf->dev, &dev_attr_interface);
>

Yes, looks good. Thanks.

--
~Randy