Messages in this thread Patch in this message | | | From | Jarkko Sakkinen <> | Subject | [PATCH v11 06/16] tpm: access command header through struct in tpm_try_transmit() | Date | Wed, 6 Feb 2019 00:47:13 +0200 |
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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> --- drivers/char/tpm/tpm-interface.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index b5b6a7c3f995..c28ffef92f1a 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) { -- 2.19.1
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