Re: [PATCH] spi: cadence-quadspi: Fix error return code in cqspi_probe

[Philipp Zabel <p.zabel@pengutronix.de>]

Hi Zhihao,

On Mon, 2020-11-16 at 22:10 +0800, Zhihao Cheng wrote:
> Fix to return the error code from
> devm_reset_control_get_optional_exclusive() instaed of 0
> in cqspi_probe().
>
> Fixes: 31fb632b5d43ca ("spi: Move cadence-quadspi driver to drivers/spi/")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
> ---
>  drivers/spi/spi-cadence-quadspi.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c
> index 40938cf3806d..22d7158edb71 100644
> --- a/drivers/spi/spi-cadence-quadspi.c
> +++ b/drivers/spi/spi-cadence-quadspi.c
> @@ -1260,12 +1260,14 @@ static int cqspi_probe(struct platform_device *pdev)
>  	/* Obtain QSPI reset control */
>  	rstc = devm_reset_control_get_optional_exclusive(dev, "qspi");
>  	if (IS_ERR(rstc)) {
> +		ret = PTR_ERR(rstc);
>  		dev_err(dev, "Cannot get QSPI reset.\n");
>  		goto probe_reset_failed;
>  	}
>  
>  	rstc_ocp = devm_reset_control_get_optional_exclusive(dev, "qspi-ocp");
>  	if (IS_ERR(rstc_ocp)) {
> +		ret = PTR_ERR(rstc);

This should be
		ret = PTR_ERR(rstc_ocp);
instead.

regards
Philipp