| Message ID | 20181103003416.6865-1-jarkko.sakkinen@linux.intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | tpm: access command header through struct in tpm_try_transmit() | expand |
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index 967de254b156..dd97a17243e3 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -190,8 +190,8 @@ static ssize_t tpm_try_transmit(struct tpm_chip *chip, if (bufsiz > TPM_BUFSIZE) bufsiz = TPM_BUFSIZE; - count = be32_to_cpu(*((__be32 *) (buf + 2))); - ordinal = be32_to_cpu(*((__be32 *) (buf + 6))); + count = be32_to_cpu(header->length); + ordinal = be32_to_cpu(header->return_code); if (count == 0) return -ENODATA; if (count > bufsiz) {
Instead of accessing fields of the command header through offsets to the raw buffer, it is a better idea to use the header struct pointer that is already used elsewhere in the function. Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> --- drivers/char/tpm/tpm-interface.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)