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path: root/drivers/i2c/busses/i2c-ismt.c
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Diffstat (limited to 'drivers/i2c/busses/i2c-ismt.c')
-rw-r--r--drivers/i2c/busses/i2c-ismt.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c
index 9844925..d9ee43c 100644
--- a/drivers/i2c/busses/i2c-ismt.c
+++ b/drivers/i2c/busses/i2c-ismt.c
@@ -497,7 +497,7 @@ static int ismt_access(struct i2c_adapter *adap, u16 addr,
desc->wr_len_cmd = dma_size;
desc->control |= ISMT_DESC_BLK;
priv->dma_buffer[0] = command;
- memcpy(&priv->dma_buffer[1], &data->block[1], dma_size);
+ memcpy(&priv->dma_buffer[1], &data->block[1], dma_size - 1);
} else {
/* Block Read */
dev_dbg(dev, "I2C_SMBUS_BLOCK_DATA: READ\n");
@@ -525,7 +525,7 @@ static int ismt_access(struct i2c_adapter *adap, u16 addr,
desc->wr_len_cmd = dma_size;
desc->control |= ISMT_DESC_I2C;
priv->dma_buffer[0] = command;
- memcpy(&priv->dma_buffer[1], &data->block[1], dma_size);
+ memcpy(&priv->dma_buffer[1], &data->block[1], dma_size - 1);
} else {
/* i2c Block Read */
dev_dbg(dev, "I2C_SMBUS_I2C_BLOCK_DATA: READ\n");
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