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Subject: Re: [RFC PATCH v7 6/9] media: tegra: Add Tegra210 Video input driver
To:     Sowjanya Komatineni <skomatineni@nvidia.com>,
        thierry.reding@gmail.com, jonathanh@nvidia.com, frankc@nvidia.com,
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References: <1586919463-30542-1-git-send-email-skomatineni@nvidia.com>
 <1586919463-30542-7-git-send-email-skomatineni@nvidia.com>
From:   Dmitry Osipenko <digetx@gmail.com>
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Date:   Wed, 15 Apr 2020 17:22:26 +0300
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15.04.2020 05:57, Sowjanya Komatineni пишет:
> +static int tegra_csi_remove(struct platform_device *pdev)
> +{
> +	struct tegra_csi *csi = platform_get_drvdata(pdev);
> +	int err;
> +
> +	err = host1x_client_unregister(&csi->client);
> +	if (err < 0) {
> +		dev_err(csi->dev,
> +			"failed to unregister host1x client: %d\n", err);
> +		return err;
> +	}
> +
> +	pm_runtime_disable(csi->dev);
> +	kfree(csi);

IIRC, the driver removal is invoked on the unbinding. Hence, I'm not
sure how moving away from the resource-managed API helps here. Could you
please explain in a more details?

Have you tried to test this driver under KASAN? I suspect that you just
masked the problem, instead of fixing it.