From 16394e998cbb050730536bdf7e89f5a70efbd974 Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan@kernel.org>
Date: Mon, 25 Oct 2021 13:16:34 +0100
Subject: [PATCH] media: mceusb: fix control-message timeouts
Git-commit: 16394e998cbb050730536bdf7e89f5a70efbd974
Patch-mainline: v5.17-rc1
References: CVE-2022-3903 bsc#1205220
USB control-message timeouts are specified in milliseconds and should
specifically not vary with CONFIG_HZ.
Fixes: 66e89522aff7 ("V4L/DVB: IR: add mceusb IR receiver driver")
Cc: stable@vger.kernel.org # 2.6.36
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/media/rc/mceusb.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c
index d09bee82c04c..2dc810f5a73f 100644
--- a/drivers/media/rc/mceusb.c
+++ b/drivers/media/rc/mceusb.c
@@ -1430,7 +1430,7 @@ static void mceusb_gen1_init(struct mceusb_dev *ir)
*/
ret = usb_control_msg(ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0),
USB_REQ_SET_ADDRESS, USB_TYPE_VENDOR, 0, 0,
- data, USB_CTRL_MSG_SZ, HZ * 3);
+ data, USB_CTRL_MSG_SZ, 3000);
dev_dbg(dev, "set address - ret = %d", ret);
dev_dbg(dev, "set address - data[0] = %d, data[1] = %d",
data[0], data[1]);
@@ -1438,20 +1438,20 @@ static void mceusb_gen1_init(struct mceusb_dev *ir)
/* set feature: bit rate 38400 bps */
ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0),
USB_REQ_SET_FEATURE, USB_TYPE_VENDOR,
- 0xc04e, 0x0000, NULL, 0, HZ * 3);
+ 0xc04e, 0x0000, NULL, 0, 3000);
dev_dbg(dev, "set feature - ret = %d", ret);
/* bRequest 4: set char length to 8 bits */
ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0),
4, USB_TYPE_VENDOR,
- 0x0808, 0x0000, NULL, 0, HZ * 3);
+ 0x0808, 0x0000, NULL, 0, 3000);
dev_dbg(dev, "set char length - retB = %d", ret);
/* bRequest 2: set handshaking to use DTR/DSR */
ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0),
2, USB_TYPE_VENDOR,
- 0x0000, 0x0100, NULL, 0, HZ * 3);
+ 0x0000, 0x0100, NULL, 0, 3000);
dev_dbg(dev, "set handshake - retC = %d", ret);
/* device resume */
--
2.35.3