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Message-ID: <CAPDyKFrRKkNjswGrDS+Uts1qYToQnV_ACXe_zNrqDJXkjjqv-g@mail.gmail.com>
Date:   Tue, 29 Nov 2022 13:54:03 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Ye Bin <yebin@...weicloud.com>
Cc:     wsa+renesas@...g-engineering.com, kvalo@...nel.org,
        adrian.hunter@...el.com, linux-mmc@...r.kernel.org,
        linux-kernel@...r.kernel.org, yebin10@...wei.com
Subject: Re: [PATCH] mmc: mmc_test: fix missing assignment of 'file' when
 register debugfs file

On Wed, 23 Nov 2022 at 10:34, Ye Bin <yebin@...weicloud.com> wrote:
>
> From: Ye Bin <yebin10@...wei.com>
>
> Now, 'file' is always NULL. obviously, 'file' is used to store return value of
> 'debugfs_create_file()'.
>
> Fixes: a04c50aaa916 ("mmc: core: no need to check return value of debugfs_create functions")
> Signed-off-by: Ye Bin <yebin10@...wei.com>

Applied for fixes, by amending the commit message and by adding a
stable tag, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/core/mmc_test.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/core/mmc_test.c b/drivers/mmc/core/mmc_test.c
> index 6cd6f8a94a71..156d34b2ed4d 100644
> --- a/drivers/mmc/core/mmc_test.c
> +++ b/drivers/mmc/core/mmc_test.c
> @@ -3174,7 +3174,8 @@ static int __mmc_test_register_dbgfs_file(struct mmc_card *card,
>         struct mmc_test_dbgfs_file *df;
>
>         if (card->debugfs_root)
> -               debugfs_create_file(name, mode, card->debugfs_root, card, fops);
> +               file = debugfs_create_file(name, mode, card->debugfs_root,
> +                                          card, fops);
>
>         df = kmalloc(sizeof(*df), GFP_KERNEL);
>         if (!df) {
> --
> 2.31.1
>

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