[PATCH v4 1/5] tpm: rename tpm_chip_find_get() to tpm_find_get_ops()
flat view
STALE3037d
SUPERSEDED
From: Stefan Berger <hidden>
Date: 2018-06-25 10:43:23
Also in:
lkml
Subsystem:
the rest, tpm device driver · Maintainers:
Linus Torvalds, Peter Huewe, Jarkko Sakkinen
Revision v4 of 7 in this series.
Revisions (7)
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 <redacted> --- drivers/char/tpm/tpm-chip.c | 9 ++++++--- drivers/char/tpm/tpm-interface.c | 14 +++++++------- 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 c43a9e28995e..b4bb34216050 100644
--- a/drivers/char/tpm/tpm-interface.c
+++ b/drivers/char/tpm/tpm-interface.c@@ -929,7 +929,7 @@ 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;
@@ -953,7 +953,7 @@ 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)
@@ -1012,7 +1012,7 @@ 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;
@@ -1141,7 +1141,7 @@ 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;
@@ -1261,7 +1261,7 @@ 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;
@@ -1323,7 +1323,7 @@ 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;
@@ -1351,7 +1351,7 @@ 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 7f2d0f489e9c..c38772474091 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h@@ -535,7 +535,7 @@ 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);
--
2.17.1