From 61598093bbdd283a7edc367d900f223070ead8d2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:03 +0000
Subject: [PATCH] add ax88772C AX88772C_eeprom_tools

---
 kernel/drivers/i2c/busses/i2c-xgene-slimpro.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/kernel/drivers/i2c/busses/i2c-xgene-slimpro.c b/kernel/drivers/i2c/busses/i2c-xgene-slimpro.c
index 63cbb9c..76e9dcd 100644
--- a/kernel/drivers/i2c/busses/i2c-xgene-slimpro.c
+++ b/kernel/drivers/i2c/busses/i2c-xgene-slimpro.c
@@ -308,6 +308,9 @@
 	u32 msg[3];
 	int rc;
 
+	if (writelen > I2C_SMBUS_BLOCK_MAX)
+		return -EINVAL;
+
 	memcpy(ctx->dma_buffer, data, writelen);
 	paddr = dma_map_single(ctx->dev, ctx->dma_buffer, writelen,
 			       DMA_TO_DEVICE);

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