linux-kernel - Re: [PATCH] mmc: vub3000: fix control-request direction

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Message-ID: <CAPDyKFpw-ydfWXM0+Lz3KHq2X3f2S_47XA-43Rw4e6ZgOrobWw@mail.gmail.com>
Date:   Mon, 24 May 2021 16:11:00 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Johan Hovold <johan@...nel.org>
Cc:     linux-mmc <linux-mmc@...r.kernel.org>,
        Linux USB List <linux-usb@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "# 4.0+" <stable@...r.kernel.org>
Subject: Re: [PATCH] mmc: vub3000: fix control-request direction

On Fri, 21 May 2021 at 15:30, Johan Hovold <johan@...nel.org> wrote:
>
> The direction of the pipe argument must match the request-type direction
> bit or control requests may fail depending on the host-controller-driver
> implementation.
>
> Fix the SET_ROM_WAIT_STATES request which erroneously used
> usb_rcvctrlpipe().
>
> Fixes: 88095e7b473a ("mmc: Add new VUB300 USB-to-SD/SDIO/MMC driver")
> Cc: stable@...r.kernel.org      # 3.0
> Signed-off-by: Johan Hovold <johan@...nel.org>

Applied for next, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/vub300.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/vub300.c b/drivers/mmc/host/vub300.c
> index 739cf63ef6e2..4950d10d3a19 100644
> --- a/drivers/mmc/host/vub300.c
> +++ b/drivers/mmc/host/vub300.c
> @@ -2279,7 +2279,7 @@ static int vub300_probe(struct usb_interface *interface,
>         if (retval < 0)
>                 goto error5;
>         retval =
> -               usb_control_msg(vub300->udev, usb_rcvctrlpipe(vub300->udev, 0),
> +               usb_control_msg(vub300->udev, usb_sndctrlpipe(vub300->udev, 0),
>                                 SET_ROM_WAIT_STATES,
>                                 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
>                                 firmware_rom_wait_states, 0x0000, NULL, 0, HZ);
> --
> 2.26.3
>