linux-kernel - [PATCH] s390/raw3270: add unregister in raw3270

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Message-Id: <20260125130636.2036258-1-lihaoxiang@isrc.iscas.ac.cn>
Date: Sun, 25 Jan 2026 21:06:36 +0800
From: Haoxiang Li <lihaoxiang@...c.iscas.ac.cn>
To: hca@...ux.ibm.com,
	gor@...ux.ibm.com,
	agordeev@...ux.ibm.com,
	svens@...ux.ibm.com
Cc: linux-s390@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Haoxiang Li <lihaoxiang@...c.iscas.ac.cn>
Subject: [PATCH] s390/raw3270: add unregister in raw3270_init()

Add ccw_driver_unregister() if class_register() fails.

Signed-off-by: Haoxiang Li <lihaoxiang@...c.iscas.ac.cn>
---
 drivers/s390/char/raw3270.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index 55850b5a7f51..d6915021fde6 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -1325,8 +1325,10 @@ static int raw3270_init(void)
 	if (rc)
 		return rc;
 	rc = class_register(&class3270);
-	if (rc)
+	if (rc) {
+		ccw_driver_unregister(&raw3270_ccw_driver);
 		return rc;
+	}
 	/* Create attributes for early (= console) device. */
 	mutex_lock(&raw3270_mutex);
 	list_for_each_entry(rp, &raw3270_devices, list) {
-- 
2.25.1