Set the size of the tpm_buf correctly. Now it is set to the header length by tpm_buf_init().
Reported-by: Mimi Zohar <[email protected]> Cc: [email protected] Fixes: 412eb585587a ("use tpm_buf in tpm_transmit_cmd() as the IO parameter") Signed-off-by: Jarkko Sakkinen <[email protected]> --- drivers/char/tpm/tpm-interface.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index d9ace5480665..4aa7e7f91139 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -363,6 +363,8 @@ int tpm_send(struct tpm_chip *chip, void *cmd, size_t buflen) goto out; memcpy(buf.data, cmd, buflen); + buf.length = buflen; + rc = tpm_transmit_cmd(chip, &buf, 0, "attempting to a send a command"); tpm_buf_destroy(&buf); out: -- 2.20.1
