Re: [PATCH] mtd: spi-nor: hisi: do not ignore clk_prepare_enable() failure
From: Marek Vasut
Date: Sat Feb 18 2017 - 10:25:12 EST
On 02/17/2017 11:08 PM, Alexey Khoroshilov wrote:
> hisi_spi_nor_probe() ignores clk_prepare_enable() error code.
> The patch fixes that.
>
> Found by Linux Driver Verification project (linuxtesting.org).
>
> Signed-off-by: Alexey Khoroshilov <khoroshilov@xxxxxxxxx>
Acked-by: Marek Vasut <marek.vasut@xxxxxxxxx>
> ---
> drivers/mtd/spi-nor/hisi-sfc.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mtd/spi-nor/hisi-sfc.c b/drivers/mtd/spi-nor/hisi-sfc.c
> index 20378b0d55e9..a286350627a6 100644
> --- a/drivers/mtd/spi-nor/hisi-sfc.c
> +++ b/drivers/mtd/spi-nor/hisi-sfc.c
> @@ -448,8 +448,11 @@ static int hisi_spi_nor_probe(struct platform_device *pdev)
> if (!host->buffer)
> return -ENOMEM;
>
> + ret = clk_prepare_enable(host->clk);
> + if (ret)
> + return ret;
> +
> mutex_init(&host->lock);
> - clk_prepare_enable(host->clk);
> hisi_spi_nor_init(host);
> ret = hisi_spi_nor_register_all(host);
> if (ret)
>
--
Best regards,
Marek Vasut