From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Ben Dooks <ben.dooks@codethink.co.uk>
Cc: Al Viro <viro@zeniv.linux.org.uk>,
Michael Bommarito <michael.bommarito@gmail.com>,
Sam Day <me@samcday.com>, Kees Cook <kees@kernel.org>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] usb: gadget: f_fs: fix __le16 of wMaxPacketSize
Date: Mon, 13 Jul 2026 08:17:21 +0200 [thread overview]
Message-ID: <2026071306-thinning-flattery-d557@gregkh> (raw)
In-Reply-To: <9f7cbd43-16e1-495e-8f56-9bce8fa5e437@codethink.co.uk>
On Mon, Jul 13, 2026 at 07:00:30AM +0100, Ben Dooks wrote:
> On 11/07/2026 06:09, Greg Kroah-Hartman wrote:
> > On Fri, Jul 10, 2026 at 03:54:30PM +0100, Ben Dooks wrote:
> > > The wMaxPacketSize is __le16 type, fix the sparse warnings by changing
> > > the type.
> > >
> > > Fixes the following sparse warnings:
> > > drivers/usb/gadget/function/f_fs.c:3346:32: warning: incorrect type in assignment (different base types)
> > > drivers/usb/gadget/function/f_fs.c:3346:32: expected unsigned short [usertype] wMaxPacketSize
> > > drivers/usb/gadget/function/f_fs.c:3346:32: got restricted __le16 [usertype] wMaxPacketSize
> > > drivers/usb/gadget/function/f_fs.c:3371:36: warning: incorrect type in assignment (different base types)
> > > drivers/usb/gadget/function/f_fs.c:3371:36: expected restricted __le16 [usertype] wMaxPacketSize
> > > drivers/usb/gadget/function/f_fs.c:3371:36: got unsigned short [usertype] wMaxPacketSize
> > >
> > > Fixes: dcc03cef0fd8 ("usb: gadget: f_fs: preserve wMaxPacketSize across usb_ep_autoconfig() call")
> >
> > This isn't a valid git id :(
>
> Looks like the b got dropped off the front during copy.
>
> Fixes: bdcc03cef0fd8 ("usb: gadget: f_fs: preserve wMaxPacketSize across
> usb_ep_autoconfig() call")
>
> commit bdcc03cef0fd8abc6eaeec6ac47e54ae8f8c625f
> Author: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
> Date: Thu Jan 31 15:53:40 2019 +0100
>
> usb: gadget: f_fs: preserve wMaxPacketSize across usb_ep_autoconfig()
> call
>
> usb_ep_autoconfig() treats the passed descriptor as if it were an fs
> descriptor. In particular, for bulk endpoints, it clips wMaxPacketSize
> to 64. This patch preserves the original value.
>
> Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
>
>
Great, please fix this up and resend.
thanks,
greg k-h
prev parent reply other threads:[~2026-07-13 6:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-10 14:54 [PATCH v2] usb: gadget: f_fs: fix __le16 of wMaxPacketSize Ben Dooks
2026-07-11 5:09 ` Greg Kroah-Hartman
2026-07-13 6:00 ` Ben Dooks
2026-07-13 6:17 ` Greg Kroah-Hartman [this message]
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