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From: Greg KH <gregkh@linuxfoundation.org>
To: Masakazu Mokuno <masakazu.mokuno@gmail.com>
Cc: linux-usb@vger.kernel.org,
	Mathias Nyman <mathias.nyman@linux.intel.com>,
	linux-stable <stable@vger.kernel.org>
Subject: Re: [PATCH] USB: core: Fix misuse of USB_DT_USB_SSP_CAP_SIZE()
Date: Tue, 9 Jan 2018 16:06:41 +0100	[thread overview]
Message-ID: <20180109150641.GA11123@kroah.com> (raw)
In-Reply-To: <20171220031406.9B5E.F48FD4B1@gmail.com>

On Wed, Dec 20, 2017 at 03:14:09AM +0900, Masakazu Mokuno wrote:
> As USB_DT_USB_SSP_CAP_SIZE() takes SSAC value as an argument, the low
> bound of the size for struct usb_ssp_cap_descriptor should be described
> by USB_DT_USB_SSP_CAP_SIZE(0), not by USB_DT_USB_SSP_CAP_SIZE(1)
> 
> The type-specific length check patch was added to stable and needs to be
> fixed as well.
> 
> Fixes: 81cf4a45360f ("USB: core: Add type-specific length check of BOS
> descriptors")
> Cc: linux-stable <stable@vger.kernel.org>
> Cc: Mathias Nyman <mathias.nyman@linux.intel.com>
> Signed-off-by: Masakazu Mokuno <masakazu.mokuno@gmail.com>
> 
> -- 
> 
>  drivers/usb/core/config.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
> index 78e92d2..33a3ab7 100644
> --- a/drivers/usb/core/config.c
> +++ b/drivers/usb/core/config.c
> @@ -911,7 +911,7 @@ void usb_release_bos_descriptor(struct usb_device *dev)
>         [USB_CAP_TYPE_WIRELESS_USB] = USB_DT_USB_WIRELESS_CAP_SIZE,
>         [USB_CAP_TYPE_EXT]          = USB_DT_USB_EXT_CAP_SIZE,
>         [USB_SS_CAP_TYPE]           = USB_DT_USB_SS_CAP_SIZE,
> -       [USB_SSP_CAP_TYPE]          = USB_DT_USB_SSP_CAP_SIZE(1),
> +       [USB_SSP_CAP_TYPE]          = USB_DT_USB_SSP_CAP_SIZE(0),
>         [CONTAINER_ID_TYPE]         = USB_DT_USB_SS_CONTN_ID_SIZE,
>         [USB_PTM_CAP_TYPE]          = USB_DT_USB_PTM_ID_SIZE,
>  };
> 
> -- 
> Masakazu Mokuno

Patch is corrupted and can not be applied :(

  reply	other threads:[~2018-01-09 15:06 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-19 18:14 [PATCH] USB: core: Fix misuse of USB_DT_USB_SSP_CAP_SIZE() Masakazu Mokuno
2018-01-09 15:06 ` Greg KH [this message]
2018-01-11 15:47   ` Masakazu Mokuno

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