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);