USB: fix __must_check warnings in drivers/usb/class/

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index 9b05a359b9f7..9cac11ca1bb7 100644
--- 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);