linux-kernel - [PATCH v4 5/6] media: v4l: async: Drop useless list move operation

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Message-ID: <20231113230421.226808-6-sre@kernel.org>
Date:   Mon, 13 Nov 2023 23:57:24 +0100
From:   Sebastian Reichel <sre@...nel.org>
To:     Sebastian Reichel <sre@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Jacopo Mondi <jacopo.mondi@...asonboard.com>
Cc:     Alain Volmat <alain.volmat@...s.st.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v4 5/6] media: v4l: async: Drop useless list move operation

v4l2_async_unbind_subdev_one(), which is called in the line
following the list_move() operation contains list_move_tail()
for the same entry and overrides anything list_move() did.
Thus it can be removed.

Signed-off-by: Sebastian Reichel <sre@...nel.org>
---
 drivers/media/v4l2-core/v4l2-async.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c
index 8cfd593d293d..3ec323bd528b 100644
--- a/drivers/media/v4l2-core/v4l2-async.c
+++ b/drivers/media/v4l2-core/v4l2-async.c
@@ -876,9 +876,6 @@ void v4l2_async_unregister_subdev(struct v4l2_subdev *sd)
 	if (sd->asc_list.next) {
 		list_for_each_entry_safe(asc, asc_tmp, &sd->asc_list,
 					 asc_subdev_entry) {
-			list_move(&asc->asc_entry,
-				  &asc->notifier->waiting_list);
-
 			v4l2_async_unbind_subdev_one(asc->notifier, asc);
 		}
 	}
-- 
2.42.0