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/hp_82335/hp82335.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/gpib/hp_82335/hp82335.c b/drivers/staging/gpib/hp_82335/hp82335.c
index 40afe42aea47..1fa7bcb7d8fa 100644
--- a/drivers/staging/gpib/hp_82335/hp82335.c
+++ b/drivers/staging/gpib/hp_82335/hp82335.c
@@ -325,7 +325,11 @@ void hp82335_detach(gpib_board_t *board)
 
 static int __init hp82335_init_module(void)
 {
-	gpib_register_driver(&hp82335_interface, THIS_MODULE);
+	int result = gpib_register_driver(&hp82335_interface, THIS_MODULE);
+
+	if (result)
+		return result;
+
 	return 0;
 }
 
-- 
2.34.1