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/i2c/busses/i2c-ismt.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/kernel/drivers/i2c/busses/i2c-ismt.c b/kernel/drivers/i2c/busses/i2c-ismt.c
index 3d2d926..cec2b2a 100644
--- a/kernel/drivers/i2c/busses/i2c-ismt.c
+++ b/kernel/drivers/i2c/busses/i2c-ismt.c
@@ -507,6 +507,9 @@
if (read_write == I2C_SMBUS_WRITE) {
/* Block Write */
dev_dbg(dev, "I2C_SMBUS_BLOCK_DATA: WRITE\n");
+ if (data->block[0] < 1 || data->block[0] > I2C_SMBUS_BLOCK_MAX)
+ return -EINVAL;
+
dma_size = data->block[0] + 1;
dma_direction = DMA_TO_DEVICE;
desc->wr_len_cmd = dma_size;
--
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