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 9b05a359b9f7ff47c35563279de5b20c85899559..9cac11ca1bb73f83cada5a12f77bf4f6ebb4fc11 100644 (file)
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -927,7 +927,9 @@ static int usblp_probe(struct usb_interface *intf,
 
        /* 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);