linux-kernel - [char-misc-next 1/2] mei: bus: drop useless cldev null check

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Message-Id: <20230522101210.2207395-1-tomas.winkler@intel.com>
Date:   Mon, 22 May 2023 13:12:09 +0300
From:   Tomas Winkler <tomas.winkler@...el.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Alexander Usyskin <alexander.usyskin@...el.com>,
        Vitaly Lubart <vitaly.lubart@...el.com>,
        linux-kernel@...r.kernel.org,
        Tomas Winkler <tomas.winkler@...el.com>
Subject: [char-misc-next 1/2] mei: bus: drop useless cldev null check

From: Alexander Usyskin <alexander.usyskin@...el.com>

cldev cannot be NULL when derived with to_mei_cl_device().
Drop useless NULL-checks.

Signed-off-by: Alexander Usyskin <alexander.usyskin@...el.com>
Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>
---
 drivers/misc/mei/bus.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 5d7a68674d9b20b32c415fe8..33ec6424dfee25aacd862fd0 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -1046,9 +1046,6 @@ static int mei_cl_device_match(struct device *dev, struct device_driver *drv)
 	const struct mei_cl_driver *cldrv = to_mei_cl_driver(drv);
 	const struct mei_cl_device_id *found_id;
 
-	if (!cldev)
-		return 0;
-
 	if (!cldev->do_match)
 		return 0;
 
@@ -1079,9 +1076,6 @@ static int mei_cl_device_probe(struct device *dev)
 	cldev = to_mei_cl_device(dev);
 	cldrv = to_mei_cl_driver(dev->driver);
 
-	if (!cldev)
-		return 0;
-
 	if (!cldrv || !cldrv->probe)
 		return -ENODEV;
 
@@ -1276,9 +1270,6 @@ static void mei_cl_bus_dev_release(struct device *dev)
 {
 	struct mei_cl_device *cldev = to_mei_cl_device(dev);
 
-	if (!cldev)
-		return;
-
 	mei_cl_flush_queues(cldev->cl, NULL);
 	mei_me_cl_put(cldev->me_cl);
 	mei_dev_bus_put(cldev->bus);
-- 
2.40.1