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[ Upstream commit9f855779a3] Update the msg->len value correctly for SMBUS block read. The discrepancy went unnoticed as msg->len is used in SMBUS transfers only when a PEC byte is added. Fixes:d7583c8a57("i2c: tegra: Add SMBus block read function") Signed-off-by: Akhil R <akhilrajeev@nvidia.com> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Wolfram Sang <wsa@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>