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author | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2016-09-19 22:22:09 +0200 |
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committer | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2016-11-28 00:31:30 +0100 |
commit | 84fda15286d1bcf15e1c5cfb8320c5fab770165f (patch) | |
tree | a530af6daa48f1ecc8ce0122a8b78c1b265a922e | |
parent | tpm: Clean up reading of timeout and duration capabilities (diff) | |
download | linux-84fda15286d1bcf15e1c5cfb8320c5fab770165f.tar.xz linux-84fda15286d1bcf15e1c5cfb8320c5fab770165f.zip |
tpm: sanitize constant expressions
Use cpu_to_b32 at the time it is needed in enum tpm_capabilities and
enum tpm_sub_capabilities in order to be consistent with the other
enums in drivats/char/tpm/tpm.h.
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
-rw-r--r-- | drivers/char/tpm/tpm-interface.c | 15 | ||||
-rw-r--r-- | drivers/char/tpm/tpm-sysfs.c | 4 | ||||
-rw-r--r-- | drivers/char/tpm/tpm.h | 25 |
3 files changed, 23 insertions, 21 deletions
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index acf89e8d838e..fa9752087181 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -442,26 +442,29 @@ static const struct tpm_input_header tpm_getcap_header = { .ordinal = TPM_ORD_GET_CAP }; -ssize_t tpm_getcap(struct tpm_chip *chip, __be32 subcap_id, cap_t *cap, +ssize_t tpm_getcap(struct tpm_chip *chip, u32 subcap_id, cap_t *cap, const char *desc) { struct tpm_cmd_t tpm_cmd; int rc; tpm_cmd.header.in = tpm_getcap_header; - if (subcap_id == CAP_VERSION_1_1 || subcap_id == CAP_VERSION_1_2) { - tpm_cmd.params.getcap_in.cap = subcap_id; + if (subcap_id == TPM_CAP_VERSION_1_1 || + subcap_id == TPM_CAP_VERSION_1_2) { + tpm_cmd.params.getcap_in.cap = cpu_to_be32(subcap_id); /*subcap field not necessary */ tpm_cmd.params.getcap_in.subcap_size = cpu_to_be32(0); tpm_cmd.header.in.length -= cpu_to_be32(sizeof(__be32)); } else { if (subcap_id == TPM_CAP_FLAG_PERM || subcap_id == TPM_CAP_FLAG_VOL) - tpm_cmd.params.getcap_in.cap = TPM_CAP_FLAG; + tpm_cmd.params.getcap_in.cap = + cpu_to_be32(TPM_CAP_FLAG); else - tpm_cmd.params.getcap_in.cap = TPM_CAP_PROP; + tpm_cmd.params.getcap_in.cap = + cpu_to_be32(TPM_CAP_PROP); tpm_cmd.params.getcap_in.subcap_size = cpu_to_be32(4); - tpm_cmd.params.getcap_in.subcap = subcap_id; + tpm_cmd.params.getcap_in.subcap = cpu_to_be32(subcap_id); } rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE, 0, desc); diff --git a/drivers/char/tpm/tpm-sysfs.c b/drivers/char/tpm/tpm-sysfs.c index a76ab4af9fb2..59a1ead4d141 100644 --- a/drivers/char/tpm/tpm-sysfs.c +++ b/drivers/char/tpm/tpm-sysfs.c @@ -193,7 +193,7 @@ static ssize_t caps_show(struct device *dev, struct device_attribute *attr, be32_to_cpu(cap.manufacturer_id)); /* Try to get a TPM version 1.2 TPM_CAP_VERSION_INFO */ - rc = tpm_getcap(chip, CAP_VERSION_1_2, &cap, + rc = tpm_getcap(chip, TPM_CAP_VERSION_1_2, &cap, "attempting to determine the 1.2 version"); if (!rc) { str += sprintf(str, @@ -204,7 +204,7 @@ static ssize_t caps_show(struct device *dev, struct device_attribute *attr, cap.tpm_version_1_2.revMinor); } else { /* Otherwise just use TPM_STRUCT_VER */ - rc = tpm_getcap(chip, CAP_VERSION_1_1, &cap, + rc = tpm_getcap(chip, TPM_CAP_VERSION_1_1, &cap, "attempting to determine the 1.1 version"); if (rc) return 0; diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index 4d183c97f6a6..186493234c52 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -282,21 +282,20 @@ typedef union { } cap_t; enum tpm_capabilities { - TPM_CAP_FLAG = cpu_to_be32(4), - TPM_CAP_PROP = cpu_to_be32(5), - CAP_VERSION_1_1 = cpu_to_be32(0x06), - CAP_VERSION_1_2 = cpu_to_be32(0x1A) + TPM_CAP_FLAG = 4, + TPM_CAP_PROP = 5, + TPM_CAP_VERSION_1_1 = 0x06, + TPM_CAP_VERSION_1_2 = 0x1A, }; enum tpm_sub_capabilities { - TPM_CAP_PROP_PCR = cpu_to_be32(0x101), - TPM_CAP_PROP_MANUFACTURER = cpu_to_be32(0x103), - TPM_CAP_FLAG_PERM = cpu_to_be32(0x108), - TPM_CAP_FLAG_VOL = cpu_to_be32(0x109), - TPM_CAP_PROP_OWNER = cpu_to_be32(0x111), - TPM_CAP_PROP_TIS_TIMEOUT = cpu_to_be32(0x115), - TPM_CAP_PROP_TIS_DURATION = cpu_to_be32(0x120), - + TPM_CAP_PROP_PCR = 0x101, + TPM_CAP_PROP_MANUFACTURER = 0x103, + TPM_CAP_FLAG_PERM = 0x108, + TPM_CAP_FLAG_VOL = 0x109, + TPM_CAP_PROP_OWNER = 0x111, + TPM_CAP_PROP_TIS_TIMEOUT = 0x115, + TPM_CAP_PROP_TIS_DURATION = 0x120, }; struct tpm_getcap_params_in { @@ -484,7 +483,7 @@ ssize_t tpm_transmit(struct tpm_chip *chip, const u8 *buf, size_t bufsiz, unsigned int flags); ssize_t tpm_transmit_cmd(struct tpm_chip *chip, const void *cmd, int len, unsigned int flags, const char *desc); -ssize_t tpm_getcap(struct tpm_chip *chip, __be32 subcap_id, cap_t *cap, +ssize_t tpm_getcap(struct tpm_chip *chip, u32 subcap_id, cap_t *cap, const char *desc); int tpm_get_timeouts(struct tpm_chip *); int tpm1_auto_startup(struct tpm_chip *chip); |