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* [PATCH] USB: core: Fix misuse of USB_DT_USB_SSP_CAP_SIZE()
@ 2017-12-19 18:14 Masakazu Mokuno
  2018-01-09 15:06 ` Greg KH
  0 siblings, 1 reply; 3+ messages in thread
From: Masakazu Mokuno @ 2017-12-19 18:14 UTC (permalink / raw)
  To: linux-usb; +Cc: Mathias Nyman, linux-stable

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

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] USB: core: Fix misuse of USB_DT_USB_SSP_CAP_SIZE()
  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
  2018-01-11 15:47   ` Masakazu Mokuno
  0 siblings, 1 reply; 3+ messages in thread
From: Greg KH @ 2018-01-09 15:06 UTC (permalink / raw)
  To: Masakazu Mokuno; +Cc: linux-usb, Mathias Nyman, linux-stable

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 :(

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] USB: core: Fix misuse of USB_DT_USB_SSP_CAP_SIZE()
  2018-01-09 15:06 ` Greg KH
@ 2018-01-11 15:47   ` Masakazu Mokuno
  0 siblings, 0 replies; 3+ messages in thread
From: Masakazu Mokuno @ 2018-01-11 15:47 UTC (permalink / raw)
  To: Greg KH; +Cc: linux-usb, Mathias Nyman, linux-stable

Hi,

On Tue, 9 Jan 2018 16:06:41 +0100
Greg KH <gregkh@linuxfoundation.org> wrote:

> 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 :(

I'm sorry.  Tabs were expaned to white spaces. I'll resend fixed patch.

-- 
Masakazu Mokuno

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2018-01-11 15:47 UTC | newest]

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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
2018-01-11 15:47   ` Masakazu Mokuno

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