The commit message says that we are allowed to read and write up to 32 bytes but the code only allows us to write 31 bytes. In other words, the ">=" should be changed to ">". But this is already checked in regmap_raw_read()/write() so we can just remove the if statemetents.
Fixes: 29332534e2b6 ("regmap-i2c: Add smbus i2c block support") Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com> --- Not tested. diff --git a/drivers/base/regmap/regmap-i2c.c b/drivers/base/regmap/regmap-i2c.c index 4735318f4268..056acde5e7d3 100644 --- a/drivers/base/regmap/regmap-i2c.c +++ b/drivers/base/regmap/regmap-i2c.c @@ -217,8 +217,6 @@ static int regmap_i2c_smbus_i2c_write(void *context, const void *data, if (count < 1) return -EINVAL; - if (count >= I2C_SMBUS_BLOCK_MAX) - return -E2BIG; --count; return i2c_smbus_write_i2c_block_data(i2c, ((u8 *)data)[0], count, @@ -235,8 +233,6 @@ static int regmap_i2c_smbus_i2c_read(void *context, const void *reg, if (reg_size != 1 || val_size < 1) return -EINVAL; - if (val_size >= I2C_SMBUS_BLOCK_MAX) - return -E2BIG; ret = i2c_smbus_read_i2c_block_data(i2c, ((u8 *)reg)[0], val_size, val); if (ret == val_size)