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2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf

 kernel/drivers/i2c/busses/i2c-xgene-slimpro.c
.. .. @@ -308,6 +308,9 @@
308 308  	u32 msg[3];
309 309  	int rc;
310 310  
311 +	if (writelen > I2C_SMBUS_BLOCK_MAX)
312 +		return -EINVAL;
313 +
311 314  	memcpy(ctx->dma_buffer, data, writelen);
312 315  	paddr = dma_map_single(ctx->dev, ctx->dma_buffer, writelen,
313 316  			       DMA_TO_DEVICE);

..	..	@@ -308,6 +308,9 @@
308	308	u32 msg[3];
309	309	int rc;
310	310
	311	+ if (writelen > I2C_SMBUS_BLOCK_MAX)
	312	+ return -EINVAL;
	313	+
311	314	memcpy(ctx->dma_buffer, data, writelen);
312	315	paddr = dma_map_single(ctx->dev, ctx->dma_buffer, writelen,
313	316	DMA_TO_DEVICE);