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Ricardo Schwarzmeier authored
commit 36a11029 upstream. The userpace expects to read the number of bytes stated in the header. Returning the size of the buffer instead would be unexpected. Cc: stable@vger.kernel.org Fixes: 095531f8 ("tpm: return a TPM_RC_COMMAND_CODE response if command is not implemented") Signed-off-by: Ricardo Schwarzmeier <Ricardo.Schwarzmeier@infineon.com> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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