Hi Arvind,
On 2017년 05월 19일 19:50, Arvind Yadav wrote:
> clk_prepare_enable() can fail here and we must check its return value.
>
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
> ---
> drivers/devfreq/event/exynos-nocp.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/devfreq/event/exynos-nocp.c b/drivers/devfreq/event/exynos-nocp.c
> index 5c3e7b1..f6e7956 100644
> --- a/drivers/devfreq/event/exynos-nocp.c
> +++ b/drivers/devfreq/event/exynos-nocp.c
> @@ -267,7 +267,11 @@ static int exynos_nocp_probe(struct platform_device *pdev)
> }
> platform_set_drvdata(pdev, nocp);
>
> - clk_prepare_enable(nocp->clk);
> + ret = clk_prepare_enable(nocp->clk);
> + if (ret) {
> + dev_err(&pdev->dev, "failed to prepare ppmu clock\n");
> + return ret;
> + }
I already replied from the similar patch. Thanks.
>
> pr_info("exynos-nocp: new NoC Probe device registered: %s\n",
> dev_name(dev));
>
--
Best Regards,
Chanwoo Choi
Samsung Electronics
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