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:
a2871c62e186 ("tpm: Add support for Atmel I2C TPMs")
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
if (status < 0)
return status;
+ /* The upper layer does not support incomplete sends. */
+ if (status != len)
+ return -E2BIG;
+
return 0;
}