From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/media/usb/dvb-usb/dw2102.c | 26 +++++++++++++++++++++++++-
1 files changed, 25 insertions(+), 1 deletions(-)
diff --git a/kernel/drivers/media/usb/dvb-usb/dw2102.c b/kernel/drivers/media/usb/dvb-usb/dw2102.c
index aa929db..2290f13 100644
--- a/kernel/drivers/media/usb/dvb-usb/dw2102.c
+++ b/kernel/drivers/media/usb/dvb-usb/dw2102.c
@@ -128,6 +128,10 @@
switch (num) {
case 2:
+ if (msg[0].len < 1) {
+ num = -EOPNOTSUPP;
+ break;
+ }
/* read stv0299 register */
value = msg[0].buf[0];/* register */
for (i = 0; i < msg[1].len; i++) {
@@ -139,6 +143,10 @@
case 1:
switch (msg[0].addr) {
case 0x68:
+ if (msg[0].len < 2) {
+ num = -EOPNOTSUPP;
+ break;
+ }
/* write to stv0299 register */
buf6[0] = 0x2a;
buf6[1] = msg[0].buf[0];
@@ -148,6 +156,10 @@
break;
case 0x60:
if (msg[0].flags == 0) {
+ if (msg[0].len < 4) {
+ num = -EOPNOTSUPP;
+ break;
+ }
/* write to tuner pll */
buf6[0] = 0x2c;
buf6[1] = 5;
@@ -159,6 +171,10 @@
dw210x_op_rw(d->udev, 0xb2, 0, 0,
buf6, 7, DW210X_WRITE_MSG);
} else {
+ if (msg[0].len < 1) {
+ num = -EOPNOTSUPP;
+ break;
+ }
/* read from tuner */
dw210x_op_rw(d->udev, 0xb5, 0, 0,
buf6, 1, DW210X_READ_MSG);
@@ -166,12 +182,20 @@
}
break;
case (DW2102_RC_QUERY):
+ if (msg[0].len < 2) {
+ num = -EOPNOTSUPP;
+ break;
+ }
dw210x_op_rw(d->udev, 0xb8, 0, 0,
buf6, 2, DW210X_READ_MSG);
msg[0].buf[0] = buf6[0];
msg[0].buf[1] = buf6[1];
break;
case (DW2102_VOLTAGE_CTRL):
+ if (msg[0].len < 1) {
+ num = -EOPNOTSUPP;
+ break;
+ }
buf6[0] = 0x30;
buf6[1] = msg[0].buf[0];
dw210x_op_rw(d->udev, 0xb2, 0, 0,
@@ -946,7 +970,7 @@
for (i = 0; i < 6; i++) {
obuf[1] = 0xf0 + i;
if (i2c_transfer(&d->i2c_adap, msg, 2) != 2)
- break;
+ return -1;
else
mac[i] = ibuf[0];
}
--
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