USB: fix __must_check warnings in drivers/usb/class/
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index 9b05a35..9cac11c 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -927,7 +927,9 @@
/* Retrieve and store the device ID string. */
usblp_cache_device_id_string(usblp);
- device_create_file(&intf->dev, &dev_attr_ieee1284_id);
+ retval = device_create_file(&intf->dev, &dev_attr_ieee1284_id);
+ if (retval)
+ goto abort_intfdata;
#ifdef DEBUG
usblp_check_status(usblp, 0);