1 files changed, 1 insertions, 2 deletions

diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 3d49a305bf88..17d63c1efdce 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -454,8 +454,7 @@ struct i2c_msg {
 union i2c_smbus_data {
         __u8 byte;
         __u16 word;
-        __u8 block[I2C_SMBUS_BLOCK_MAX + 3]; /* block[0] is used for length */
-                          /* one more for read length in block process call */
+        __u8 block[I2C_SMBUS_BLOCK_MAX + 2]; /* block[0] is used for length */
                                                     /* and one more for PEC */
 };