linux-kernel - [PATCH v3 3/5] s390/ccwgroup: Drop if with an always false condition

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Message-Id: <20210713074014.684791-4-u.kleine-koenig@pengutronix.de>
Date:   Tue, 13 Jul 2021 09:40:12 +0200
From:   Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     kernel@...gutronix.de,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Cornelia Huck <cohuck@...hat.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Peter Oberparleiter <oberpar@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Vineeth Vijayan <vneethv@...ux.ibm.com>,
        linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org
Subject: [PATCH v3 3/5] s390/ccwgroup: Drop if with an always false condition

The driver core only calls a bus remove callback when there is a driver.
So dev->driver is never NULL and the check can safely be removed.

Reviewed-by: Cornelia Huck <cohuck@...hat.com>
Acked-by: Vineeth Vijayan <vneethv@...ux.ibm.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
---
 drivers/s390/cio/ccwgroup.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index 9748165e08e9..a6aeab1ea0ae 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -444,8 +444,6 @@ static int ccwgroup_remove(struct device *dev)
 	struct ccwgroup_device *gdev = to_ccwgroupdev(dev);
 	struct ccwgroup_driver *gdrv = to_ccwgroupdrv(dev->driver);
 
-	if (!dev->driver)
-		return 0;
 	if (gdrv->remove)
 		gdrv->remove(gdev);
 
-- 
2.30.2