Re: [PATCH 5/5] spi: fix return value check in hspi_probe().

Kuninori Morimoto
2012-12-12T00:36:27Z

Hi

> According to its documentation, clk_get() returns a "valid IS_ERR() condition
> containing errno", so we should call IS_ERR() rather than a NULL check.
>
> Signed-off-by: Cyril Roelandt <tipecaml@gmail.com>

Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

> ---
> drivers/spi/spi-sh-hspi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/spi/spi-sh-hspi.c b/drivers/spi/spi-sh-hspi.c
> index 32f7b55..60cfae5 100644
> --- a/drivers/spi/spi-sh-hspi.c
> +++ b/drivers/spi/spi-sh-hspi.c
> @@ -290,7 +290,7 @@ static int hspi_probe(struct platform_device *pdev)
> }
>
> clk = clk_get(NULL, "shyway_clk");
> - if (!clk) {
> + if (IS_ERR(clk)) {
> dev_err(&pdev->dev, "shyway_clk is required\n");
> ret = -EINVAL;
> goto error0;
> --
> 1.7.10.4
>
>
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Best regards
---
Kuninori Morimoto