Commit 442601e8 authored by Jarkko Sakkinen's avatar Jarkko Sakkinen

tpm/tpm_i2c_atmel: Return -E2BIG when the transfer is incomplete

Return -E2BIG when the transfer is incomplete. The upper layer does
not retry, so not doing that is incorrect behaviour.

Cc: stable@vger.kernel.org
Fixes: a2871c62 ("tpm: Add support for Atmel I2C TPMs")
Signed-off-by: default avatarJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: default avatarStefan Berger <stefanb@linux.ibm.com>
Reviewed-by: default avatarJerry Snitselaar <jsnitsel@redhat.com>
parent f5595f5b
......@@ -69,6 +69,10 @@ static int i2c_atmel_send(struct tpm_chip *chip, u8 *buf, size_t len)
if (status < 0)
return status;
/* The upper layer does not support incomplete sends. */
if (status != len)
return -E2BIG;
return 0;
}
......
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