linux-kernel - [PATCH 5.7 139/477] s390/qdio: tear down thinint indicator after early error

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Message-Id: <20200623195414.178540406@linuxfoundation.org>
Date:   Tue, 23 Jun 2020 21:52:16 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Julian Wiedmann <jwi@...ux.ibm.com>,
        Benjamin Block <bblock@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.7 139/477] s390/qdio: tear down thinint indicator after early error

From: Julian Wiedmann <jwi@...ux.ibm.com>

[ Upstream commit 68a381746f20e5435206173e22d0a011ef78790e ]

qdio_establish() calls qdio_establish_thinint(), but later has an error
exit path that doesn't roll this call back. Fix it.

Fixes: 779e6e1c724d ("[S390] qdio: new qdio driver.")
Signed-off-by: Julian Wiedmann <jwi@...ux.ibm.com>
Reviewed-by: Benjamin Block <bblock@...ux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@...ux.ibm.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/s390/cio/qdio_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index da5a111380201..80cc811bd2e0e 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -1363,6 +1363,7 @@ int qdio_establish(struct ccw_device *cdev,
 	if (rc) {
 		DBF_ERROR("%4x est IO ERR", irq_ptr->schid.sch_no);
 		DBF_ERROR("rc:%4x", rc);
+		qdio_shutdown_thinint(irq_ptr);
 		qdio_shutdown_irq(irq_ptr);
 		mutex_unlock(&irq_ptr->setup_mutex);
 		return rc;
-- 
2.25.1