i2c: octeon: check correct size of maximum RECV_LEN packet
[ Upstream commit5.4-rM2-2.2.x-imx-squashed1b2cfa2d1d
] 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:886f6f8337
("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>
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485e0255c1
commit
57f0f0ddf9
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@ -347,7 +347,7 @@ static int octeon_i2c_read(struct octeon_i2c *i2c, int target,
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if (result)
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return result;
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if (recv_len && i == 0) {
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if (data[i] > I2C_SMBUS_BLOCK_MAX + 1)
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if (data[i] > I2C_SMBUS_BLOCK_MAX)
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return -EPROTO;
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length += data[i];
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}
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