linux-kernel - [PATCH v4 09/15] staging: gpib: hp_82335: Return error value from gpib_register

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Message-Id: <20241226193637.241049-10-niharchaithanya@gmail.com>
Date: Fri, 27 Dec 2024 01:06:33 +0530
From: Nihar Chaithanya <niharchaithanya@...il.com>
To: dpenkler@...il.com,
	gregkh@...uxfoundation.org
Cc: dan.carpenter@...aro.org,
	skhan@...uxfoundation.org,
	linux-staging@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Nihar Chaithanya <niharchaithanya@...il.com>
Subject: [PATCH v4 09/15] staging: gpib: hp_82335: Return error value from gpib_register_driver()

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@...il.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