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SubjectRe: [PATCH -next] PM / devfreq: imx8m-ddrc: Fix inconsistent IS_ERR and PTR_ERR
On Mon, Dec 30, 2019 at 5:58 PM YueHaibing <yuehaibing@huawei.com> wrote:
>
> Fix inconsistent IS_ERR and PTR_ERR in imx8m_ddrc_probe().
> Detected using Coccinelle.
>
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> ---
> drivers/devfreq/imx8m-ddrc.c | 24 ++++++++++++++++++------
> 1 file changed, 18 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/devfreq/imx8m-ddrc.c b/drivers/devfreq/imx8m-ddrc.c
> index 53df792..bc82d36 100644
> --- a/drivers/devfreq/imx8m-ddrc.c
> +++ b/drivers/devfreq/imx8m-ddrc.c
> @@ -395,15 +395,27 @@ static int imx8m_ddrc_probe(struct platform_device *pdev)
> }
>
> priv->dram_core = devm_clk_get(dev, "core");
> + if (IS_ERR(priv->dram_core)) {
> + ret = PTR_ERR(priv->dram_core);
> + dev_err(dev, "failed to fetch core clock: %d\n", ret);

If there is no special reason, just use 'get' instead of ' fetch' word.
s/fetch/get

> + return ret;
> + }
> priv->dram_pll = devm_clk_get(dev, "pll");
> + if (IS_ERR(priv->dram_pll)) {
> + ret = PTR_ERR(priv->dram_pll);
> + dev_err(dev, "failed to fetch pll clock: %d\n", ret);

ditto.

> + return ret;
> + }
> priv->dram_alt = devm_clk_get(dev, "alt");
> + if (IS_ERR(priv->dram_alt)) {
> + ret = PTR_ERR(priv->dram_alt);
> + dev_err(dev, "failed to fetch alt clock: %d\n", ret);

ditto.

> + return ret;
> + }
> priv->dram_apb = devm_clk_get(dev, "apb");
> - if (IS_ERR(priv->dram_core) ||
> - IS_ERR(priv->dram_pll) ||
> - IS_ERR(priv->dram_alt) ||
> - IS_ERR(priv->dram_apb)) {
> - ret = PTR_ERR(priv->devfreq);
> - dev_err(dev, "failed to fetch clocks: %d\n", ret);
> + if (IS_ERR(priv->dram_apb)) {
> + ret = PTR_ERR(priv->dram_apb);
> + dev_err(dev, "failed to fetch apb clock: %d\n", ret);

ditto.

> return ret;
> }
>
> --
> 2.7.4
>
>


--
Best Regards,
Chanwoo Choi

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