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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>
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7a64c5597a
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fc1d52b745
drivers/char/tpm
@ -81,18 +81,21 @@ void tpm_put_ops(struct tpm_chip *chip)
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EXPORT_SYMBOL_GPL(tpm_put_ops);
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/**
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* tpm_chip_find_get() - find and reserve a TPM chip
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* tpm_find_get_ops() - find and reserve a TPM chip
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* @chip: a &struct tpm_chip instance, %NULL for the default chip
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*
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* Finds a TPM chip and reserves its class device and operations. The chip must
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* be released with tpm_chip_put_ops() after use.
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* be released with tpm_put_ops() after use.
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* This function is for internal use only. It supports existing TPM callers
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* by accepting NULL, but those callers should be converted to pass in a chip
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* directly.
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*
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* Return:
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* A reserved &struct tpm_chip instance.
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* %NULL if a chip is not found.
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* %NULL if the chip is not available.
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*/
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struct tpm_chip *tpm_chip_find_get(struct tpm_chip *chip)
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struct tpm_chip *tpm_find_get_ops(struct tpm_chip *chip)
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{
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struct tpm_chip *res = NULL;
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int chip_num = 0;
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@ -961,7 +961,7 @@ int tpm_is_tpm2(struct tpm_chip *chip)
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{
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int rc;
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chip = tpm_chip_find_get(chip);
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chip = tpm_find_get_ops(chip);
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if (!chip)
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return -ENODEV;
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@ -985,7 +985,7 @@ int tpm_pcr_read(struct tpm_chip *chip, int pcr_idx, u8 *res_buf)
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{
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int rc;
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chip = tpm_chip_find_get(chip);
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chip = tpm_find_get_ops(chip);
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if (!chip)
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return -ENODEV;
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if (chip->flags & TPM_CHIP_FLAG_TPM2)
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@ -1044,7 +1044,7 @@ int tpm_pcr_extend(struct tpm_chip *chip, int pcr_idx, const u8 *hash)
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u32 count = 0;
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int i;
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chip = tpm_chip_find_get(chip);
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chip = tpm_find_get_ops(chip);
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if (!chip)
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return -ENODEV;
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@ -1173,7 +1173,7 @@ int tpm_send(struct tpm_chip *chip, void *cmd, size_t buflen)
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{
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int rc;
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chip = tpm_chip_find_get(chip);
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chip = tpm_find_get_ops(chip);
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if (!chip)
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return -ENODEV;
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@ -1293,7 +1293,7 @@ int tpm_get_random(struct tpm_chip *chip, u8 *out, size_t max)
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if (!out || !num_bytes || max > TPM_MAX_RNG_DATA)
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return -EINVAL;
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chip = tpm_chip_find_get(chip);
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chip = tpm_find_get_ops(chip);
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if (!chip)
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return -ENODEV;
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@ -1355,7 +1355,7 @@ int tpm_seal_trusted(struct tpm_chip *chip, struct trusted_key_payload *payload,
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{
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int rc;
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chip = tpm_chip_find_get(chip);
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chip = tpm_find_get_ops(chip);
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if (!chip || !(chip->flags & TPM_CHIP_FLAG_TPM2))
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return -ENODEV;
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@ -1383,7 +1383,7 @@ int tpm_unseal_trusted(struct tpm_chip *chip,
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{
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int rc;
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chip = tpm_chip_find_get(chip);
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chip = tpm_find_get_ops(chip);
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if (!chip || !(chip->flags & TPM_CHIP_FLAG_TPM2))
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return -ENODEV;
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@ -547,7 +547,7 @@ static inline void tpm_msleep(unsigned int delay_msec)
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delay_msec * 1000);
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};
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struct tpm_chip *tpm_chip_find_get(struct tpm_chip *chip);
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struct tpm_chip *tpm_find_get_ops(struct tpm_chip *chip);
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__must_check int tpm_try_get_ops(struct tpm_chip *chip);
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void tpm_put_ops(struct tpm_chip *chip);
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