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author | Stefan Berger <stefanb@linux.vnet.ibm.com> | 2018-06-26 13:06:15 +0200 |
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committer | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2018-07-28 16:03:11 +0200 |
commit | fc1d52b745bae6108102096d85e743ac33b446f2 (patch) | |
tree | 2e7abec656c5452ce8c7317962e88eeb99b3aa53 /drivers | |
parent | tpm: Allow tpm_tis drivers to set hwrng quality. (diff) | |
download | linux-fc1d52b745bae6108102096d85e743ac33b446f2.tar.xz linux-fc1d52b745bae6108102096d85e743ac33b446f2.zip |
tpm: rename tpm_chip_find_get() to tpm_find_get_ops()
Rename tpm_chip_find_get() to tpm_find_get_ops() to more closely match
the tpm_put_ops() counter part.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/char/tpm/tpm-chip.c | 9 | ||||
-rw-r--r-- | drivers/char/tpm/tpm-interface.c | 14 | ||||
-rw-r--r-- | drivers/char/tpm/tpm.h | 2 |
3 files changed, 14 insertions, 11 deletions
diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c index 0a62c19937b6..242b716aed5e 100644 --- a/drivers/char/tpm/tpm-chip.c +++ b/drivers/char/tpm/tpm-chip.c @@ -81,18 +81,21 @@ void tpm_put_ops(struct tpm_chip *chip) EXPORT_SYMBOL_GPL(tpm_put_ops); /** - * tpm_chip_find_get() - find and reserve a TPM chip + * tpm_find_get_ops() - find and reserve a TPM chip * @chip: a &struct tpm_chip instance, %NULL for the default chip * * Finds a TPM chip and reserves its class device and operations. The chip must - * be released with tpm_chip_put_ops() after use. + * be released with tpm_put_ops() after use. + * This function is for internal use only. It supports existing TPM callers + * by accepting NULL, but those callers should be converted to pass in a chip + * directly. * * Return: * A reserved &struct tpm_chip instance. * %NULL if a chip is not found. * %NULL if the chip is not available. */ -struct tpm_chip *tpm_chip_find_get(struct tpm_chip *chip) +struct tpm_chip *tpm_find_get_ops(struct tpm_chip *chip) { struct tpm_chip *res = NULL; int chip_num = 0; diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index 3a3a7a548a85..ad761e629a0f 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -961,7 +961,7 @@ int tpm_is_tpm2(struct tpm_chip *chip) { int rc; - chip = tpm_chip_find_get(chip); + chip = tpm_find_get_ops(chip); if (!chip) return -ENODEV; @@ -985,7 +985,7 @@ int tpm_pcr_read(struct tpm_chip *chip, int pcr_idx, u8 *res_buf) { int rc; - chip = tpm_chip_find_get(chip); + chip = tpm_find_get_ops(chip); if (!chip) return -ENODEV; if (chip->flags & TPM_CHIP_FLAG_TPM2) @@ -1044,7 +1044,7 @@ int tpm_pcr_extend(struct tpm_chip *chip, int pcr_idx, const u8 *hash) u32 count = 0; int i; - chip = tpm_chip_find_get(chip); + chip = tpm_find_get_ops(chip); if (!chip) return -ENODEV; @@ -1173,7 +1173,7 @@ int tpm_send(struct tpm_chip *chip, void *cmd, size_t buflen) { int rc; - chip = tpm_chip_find_get(chip); + chip = tpm_find_get_ops(chip); if (!chip) return -ENODEV; @@ -1293,7 +1293,7 @@ int tpm_get_random(struct tpm_chip *chip, u8 *out, size_t max) if (!out || !num_bytes || max > TPM_MAX_RNG_DATA) return -EINVAL; - chip = tpm_chip_find_get(chip); + chip = tpm_find_get_ops(chip); if (!chip) return -ENODEV; @@ -1355,7 +1355,7 @@ int tpm_seal_trusted(struct tpm_chip *chip, struct trusted_key_payload *payload, { int rc; - chip = tpm_chip_find_get(chip); + chip = tpm_find_get_ops(chip); if (!chip || !(chip->flags & TPM_CHIP_FLAG_TPM2)) return -ENODEV; @@ -1383,7 +1383,7 @@ int tpm_unseal_trusted(struct tpm_chip *chip, { int rc; - chip = tpm_chip_find_get(chip); + chip = tpm_find_get_ops(chip); if (!chip || !(chip->flags & TPM_CHIP_FLAG_TPM2)) return -ENODEV; diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index 17833ef63f6c..ba01488cd029 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -547,7 +547,7 @@ static inline void tpm_msleep(unsigned int delay_msec) delay_msec * 1000); }; -struct tpm_chip *tpm_chip_find_get(struct tpm_chip *chip); +struct tpm_chip *tpm_find_get_ops(struct tpm_chip *chip); __must_check int tpm_try_get_ops(struct tpm_chip *chip); void tpm_put_ops(struct tpm_chip *chip); |