linux-kernel - RE: [PATCH RESEND] usb: gadget: f_mass_storage: Make CD-ROM emulation works with Windows OS

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Message-ID: <HK0PR06MB320212127FAB0CF3459C683180B59@HK0PR06MB3202.apcprd06.prod.outlook.com>
Date:   Thu, 23 Jun 2022 08:43:38 +0000
From:   Neal Liu <neal_liu@...eedtech.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     Felipe Balbi <balbi@...nel.org>,
        Alan Stern <stern@...land.harvard.edu>,
        Roger Quadros <roger.quadros@...ia.com>,
        Miaohe Lin <linmiaohe@...wei.com>,
        Wesley Cheng <quic_wcheng@...cinc.com>,
        "Eric W . Biederman" <ebiederm@...ssion.com>,
        Matthew Wilcox <willy@...radead.org>,
        Nikita Yushchenko <nikita.yoush@...entembedded.com>,
        Cai Huoqing <cai.huoqing@...ux.dev>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        BMC-SW <BMC-SW@...eedtech.com>
Subject: RE: [PATCH RESEND] usb: gadget: f_mass_storage: Make CD-ROM emulation
 works with Windows OS

> On Thu, Jun 23, 2022 at 11:04:05AM +0800, Neal Liu wrote:
> > Add read TOC with format 2 to support CD-ROM emulation with Windows
> > OS.
> > This patch is tested on Windows OS Server 2019.
> >
> > Signed-off-by: Neal Liu <neal_liu@...eedtech.com>
> > ---

Reason for resend: mail recipient is broken. Resend it correctly.
---
> >  drivers/usb/gadget/function/f_mass_storage.c | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/usb/gadget/function/f_mass_storage.c
> > b/drivers/usb/gadget/function/f_mass_storage.c
> > index 3a77bca0ebe1..3c2a5f1e8b66 100644
> > --- a/drivers/usb/gadget/function/f_mass_storage.c
> > +++ b/drivers/usb/gadget/function/f_mass_storage.c
> > @@ -1209,6 +1209,7 @@ static int do_read_toc(struct fsg_common
> > *common, struct fsg_buffhd *bh)
> >
> >  	switch (format) {
> >  	case 0:
> > +	case 1:
> >  		/* Formatted TOC */
> >  		len = 4 + 2*8;		/* 4 byte header + 2 descriptors */
> >  		memset(buf, 0, len);
> > --
> > 2.25.1
> >
> 
> Why was this a "RESEND"?  Always put the reason why below the --- line
> so we know what is going on...
> 
Add reason above, thanks.