linux-kernel - [PATCH] media: imx7-mipi-csis: Add the missed v4l2_async_notifier

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Message-Id: <20191209085828.16183-1-hslester96@gmail.com>
Date:   Mon,  9 Dec 2019 16:58:28 +0800
From:   Chuhong Yuan <hslester96@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Rui Miguel Silva <rmfrfs@...il.com>,
        Steve Longerbeam <slongerbeam@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        linux-media@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Chuhong Yuan <hslester96@...il.com>
Subject: [PATCH] media: imx7-mipi-csis: Add the missed v4l2_async_notifier_cleanup in remove

All drivers in imx call v4l2_async_notifier_cleanup() after unregistering
the notifier except this driver.
This should be a miss and we need to add the call to fix it.

Signed-off-by: Chuhong Yuan <hslester96@...il.com>
---
 drivers/staging/media/imx/imx7-mipi-csis.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c
index 99166afca071..2bfa85bb84e7 100644
--- a/drivers/staging/media/imx/imx7-mipi-csis.c
+++ b/drivers/staging/media/imx/imx7-mipi-csis.c
@@ -1105,6 +1105,7 @@ static int mipi_csis_remove(struct platform_device *pdev)
 	mipi_csis_debugfs_exit(state);
 	v4l2_async_unregister_subdev(&state->mipi_sd);
 	v4l2_async_notifier_unregister(&state->subdev_notifier);
+	v4l2_async_notifier_cleanup(&state->subdev_notifier);
 
 	pm_runtime_disable(&pdev->dev);
 	mipi_csis_pm_suspend(&pdev->dev, true);
-- 
2.24.0