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

18 Apr 2020


      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);

    

Matthew Wilcox