The function gpib_register_driver() can fail and does not return an error value if it fails. Return the error value if gpib_register_driver() fails. Signed-off-by: Nihar Chaithanya <niharchaithanya@xxxxxxxxx> --- drivers/staging/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/staging/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c b/drivers/staging/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c index 796c3a5be545..839e89615214 100644 --- a/drivers/staging/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c +++ b/drivers/staging/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c @@ -1181,7 +1181,11 @@ static int usb_gpib_init_module(struct usb_interface *interface) return rv; if (!assigned_usb_minors) { - gpib_register_driver(&usb_gpib_interface, THIS_MODULE); + rv = gpib_register_driver(&usb_gpib_interface, THIS_MODULE); + if (rv) { + pr_err("lpvo_usb_gpib: gpib_register_driver failed\n"); + goto exit; + } } else { /* check if minor is already registered - maybe useless, but if * it happens the code is inconsistent somewhere -- 2.34.1