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| author |   Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2018-11-03 02:31:07 +0200 |
|---|---|---|
| committer | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2019-02-13 09:47:42 +0200 |
| commit | 720b071102d8fab3f0a2808db3ba76c5ce880b7a (patch) | |
| tree | cfb8705e32d11c3cbdbf5cb1d135f45de944f852 /drivers/char | |
| parent | tpm: declare struct tpm_header (diff) | |
| download | linux-dev-720b071102d8fab3f0a2808db3ba76c5ce880b7a.tar.xz linux-dev-720b071102d8fab3f0a2808db3ba76c5ce880b7a.zip | |
tpm: access command header through struct in tpm_try_transmit()
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>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Tested-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Reviewed-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Tested-by: Alexander Steffen <Alexander.Steffen@infineon.com>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/tpm/tpm-interface.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index e0ed31cbc7e9..7870e3178ada 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -187,8 +187,8 @@ static ssize_t tpm_try_transmit(struct tpm_chip *chip, struct tpm_space *space, 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->ordinal); if (count == 0) return -ENODATA; if (count > bufsiz) { |