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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20220623030405.1922980-1-neal_liu@aspeedtech.com>
Date:   Thu, 23 Jun 2022 11:04:05 +0800
From:   Neal Liu <neal_liu@...eedtech.com>
To:     Felipe Balbi <balbi@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alan Stern <stern@...land.harvard.edu>
CC:     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-kernel@...r.kernel.org>,
        <BMC-SW@...eedtech.com>
Subject: [PATCH RESEND] usb: gadget: f_mass_storage: Make CD-ROM emulation works with Windows OS

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>
---
 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