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Message-ID: <20220122025635.GE11385@hu-pkondeti-hyd.qualcomm.com>
Date:   Sat, 22 Jan 2022 08:26:35 +0530
From:   Pavan Kondeti <quic_pkondeti@...cinc.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     Pavankumar Kondeti <quic_pkondeti@...cinc.com>,
        Felipe Balbi <balbi@...nel.org>, <linux-usb@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] usb: gadget: f_sourcesink: Fix isoc transfer for
 USB_SPEED_SUPER_PLUS

Hi Greg,

On Fri, Jan 21, 2022 at 03:31:12PM +0100, Greg Kroah-Hartman wrote:
> On Fri, Jan 21, 2022 at 05:01:24PM +0530, Pavankumar Kondeti wrote:
> > Currently when gadget enumerates in super speed plus, the isoc
> > endpoint request buffer size is not calculated correctly. Fix
> > this by checking the gadget speed against USB_SPEED_SUPER_PLUS
> > and update the request buffer size.
> > 
> > Signed-off-by: Pavankumar Kondeti <quic_pkondeti@...cinc.com>
> 
> What commit id does this fix?
> 
I see that the issue is present since the super speed plus support
is added to this driver. I will add the below commit in the Fixes
tag and send the v2.

commit 90c4d05780d47e14a50e11a7f17373104cd47d25
Author: Maciej Żenczykowski <maze@...gle.com>
Date:   Mon Jun 7 21:41:41 2021 -0700

    usb: fix various gadgets null ptr deref on 10gbps cabling.

    This avoids a null pointer dereference in
    f_{ecm,eem,hid,loopback,printer,rndis,serial,sourcesink,subset,tcm}
    by simply reusing the 5gbps config for 10gbps.

Thanks,
Pavan

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