Set the size of the tpm_buf correctly. Now it is set to the header
length by tpm_buf_init().
Reported-by: Mimi Zohar <zohar@xxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Fixes: 412eb585587a ("use tpm_buf in tpm_transmit_cmd() as the IO parameter")
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>
---
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
