1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c
index 454086affaa1..ced309ff056f 100644
--- a/drivers/i2c/busses/scx200_acb.c
+++ b/drivers/i2c/busses/scx200_acb.c
@@ -307,8 +307,12 @@ static s32 scx200_acb_smbus_xfer(struct i2c_adapter *adapter,
                 buffer = (u8 *)&cur_word;
                 break;
 
-        case I2C_SMBUS_BLOCK_DATA:
+        case I2C_SMBUS_I2C_BLOCK_DATA:
+                if (rw == I2C_SMBUS_READ)
+                        data->block[0] = I2C_SMBUS_BLOCK_MAX; /* For now */
                 len = data->block[0];
+                if (len == 0 || len > I2C_SMBUS_BLOCK_MAX)
+                        return -EINVAL;
                 buffer = &data->block[1];
                 break;
 
@@ -372,7 +376,7 @@ static u32 scx200_acb_func(struct i2c_adapter *adapter)
 {
         return I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE |
                I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA |
-               I2C_FUNC_SMBUS_BLOCK_DATA;
+               I2C_FUNC_SMBUS_I2C_BLOCK;
 }
 
 /* For now, we only handle combined mode (smbus) */