diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2021-01-09 13:43:08 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-27 11:47:47 +0100 |
| commit | 57f0f0ddf9e4cd73fe98fbc35ca3438f8939bf64 (patch) | |
| tree | d64798a86ffc9324dc53cd6c8b8d188d6b688509 /drivers | |
| parent | 485e0255c19e8135084f0fa86bc6ec3ffebd6b97 (diff) | |
i2c: octeon: check correct size of maximum RECV_LEN packet
[ Upstream commit 1b2cfa2d1dbdcc3b6dba1ecb7026a537a1d7277f ]
I2C_SMBUS_BLOCK_MAX defines already the maximum number as defined in the
SMBus 2.0 specs. No reason to add one to it.
Fixes: 886f6f8337dd ("i2c: octeon: Support I2C_M_RECV_LEN")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Robert Richter <rric@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/i2c/busses/i2c-octeon-core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-octeon-core.c b/drivers/i2c/busses/i2c-octeon-core.c index d9607905dc2f..845eda70b8ca 100644 --- a/drivers/i2c/busses/i2c-octeon-core.c +++ b/drivers/i2c/busses/i2c-octeon-core.c @@ -347,7 +347,7 @@ static int octeon_i2c_read(struct octeon_i2c *i2c, int target, if (result) return result; if (recv_len && i == 0) { - if (data[i] > I2C_SMBUS_BLOCK_MAX + 1) + if (data[i] > I2C_SMBUS_BLOCK_MAX) return -EPROTO; length += data[i]; } |