linux-kernel - Re: [PATCH v2] mmc_spi: add a status check for spi_sync

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Date:   Mon, 18 Mar 2019 11:51:53 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Kangjie Lu <kjlu@....edu>
Cc:     pakki001@....edu, Linus Walleij <linus.walleij@...aro.org>,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        Jonathan Neuschäfer <j.neuschaefer@....net>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] mmc_spi: add a status check for spi_sync_locked

On Mon, 11 Mar 2019 at 06:53, Kangjie Lu <kjlu@....edu> wrote:
>
> In case spi_sync_locked fails, the fix reports the error and
> returns the error code upstream.
>
> Signed-off-by: Kangjie Lu <kjlu@....edu>

Applied for next, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/mmc_spi.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
> index 1b1498805972..a3533935e282 100644
> --- a/drivers/mmc/host/mmc_spi.c
> +++ b/drivers/mmc/host/mmc_spi.c
> @@ -819,6 +819,10 @@ mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t,
>         }
>
>         status = spi_sync_locked(spi, &host->m);
> +       if (status < 0) {
> +               dev_dbg(&spi->dev, "read error %d\n", status);
> +               return status;
> +       }
>
>         if (host->dma_dev) {
>                 dma_sync_single_for_cpu(host->dma_dev,
> --
> 2.17.1
>