linux-kernel - Re: [PATCH] mmc: mxcmmc: Fix missing parentheses and brace

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Date:   Mon, 16 Jul 2018 12:11:29 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Kees Cook <keescook@...omium.org>
Cc:     Christoph Hellwig <hch@....de>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mmc: mxcmmc: Fix missing parentheses and brace

On 12 July 2018 at 21:59, Kees Cook <keescook@...omium.org> wrote:
> Looks like the adjusted syntax wasn't fully build tested. This fixes
> failures with powerpc builds:
>
> drivers/mmc/host/mxcmmc.c: In function ‘mxcmci_swap_buffers’:
> drivers/mmc/host/mxcmmc.c:296:51: error: expected ‘)’ before ‘;’ token
>    void *buf = kmap_atomic(sg_page(sg) + sg->offset;
>                                                    ^
> drivers/mmc/host/mxcmmc.c:299:1: error: expected ‘,’ or ‘;’ before ‘}’ token
>  }
>  ^
>
> Fixes: b189e7589f6d3 ("mmc: mxcmmc: handle highmem pages")
> Signed-off-by: Kees Cook <keescook@...omium.org>

Thanks, applied for fixes!

Kind regards
Uffe

> ---
>  drivers/mmc/host/mxcmmc.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
> index 75f781c11e89..de4e6e5bf304 100644
> --- a/drivers/mmc/host/mxcmmc.c
> +++ b/drivers/mmc/host/mxcmmc.c
> @@ -293,9 +293,10 @@ static void mxcmci_swap_buffers(struct mmc_data *data)
>         int i;
>
>         for_each_sg(data->sg, sg, data->sg_len, i) {
> -               void *buf = kmap_atomic(sg_page(sg) + sg->offset;
> +               void *buf = kmap_atomic(sg_page(sg) + sg->offset);
>                 buffer_swap32(buf, sg->length);
>                 kunmap_atomic(buf);
> +       }
>  }
>  #else
>  static inline void mxcmci_swap_buffers(struct mmc_data *data) {}
> --
> 2.17.1
>
>
> --
> Kees Cook
> Pixel Security