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

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Fix gcc empty-body warning when -Wextra is used:

../drivers/usb/core/sysfs.c: In function ‘usb_create_sysfs_intf_files’:
../drivers/usb/core/sysfs.c:1266:3: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
   ; /* We don't actually care if the function fails. */
   ^

Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: linux-usb@xxxxxxxxxxxxxxx
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
 drivers/usb/core/sysfs.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-next-20200327.orig/drivers/usb/core/sysfs.c
+++ 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;
 }
 



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