diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-mlxbf.c')
-rw-r--r-- | drivers/i2c/busses/i2c-mlxbf.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-mlxbf.c b/drivers/i2c/busses/i2c-mlxbf.c index 612736906440..ac93c0ccf53c 100644 --- a/drivers/i2c/busses/i2c-mlxbf.c +++ b/drivers/i2c/busses/i2c-mlxbf.c @@ -738,6 +738,9 @@ mlxbf_i2c_smbus_start_transaction(struct mlxbf_i2c_priv *priv, if (flags & MLXBF_I2C_F_WRITE) { write_en = 1; write_len += operation->length; + if (data_idx + operation->length > + MLXBF_I2C_MASTER_DATA_DESC_SIZE) + return -ENOBUFS; memcpy(data_desc + data_idx, operation->buffer, operation->length); data_idx += operation->length; |