[PATCH v5 12/15] staging: gpib: lpvo_usb: Return error value from gpib_register_driver()

Nihar Chaithanya
2024-12-28T06:26:13Z

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@gmail.com>
---
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