From: Jarkko Sakkinen <[email protected]> Remove the TPM driver chip parameter from the function tpm_buf_append_handle(). The chip parameter is only for error logging which can be done with other facilities like WARN().
Message-ID: <[email protected]> Signed-off-by: Jarkko Sakkinen <[email protected]> Signed-off-by: Ross Philipson <[email protected]> --- drivers/char/tpm/tpm-buf.c | 9 ++++++--- drivers/char/tpm/tpm2-cmd.c | 2 +- drivers/char/tpm/tpm2-sessions.c | 2 +- include/linux/tpm.h | 2 +- 4 files changed, 9 insertions(+), 6 deletions(-) diff --git a/drivers/char/tpm/tpm-buf.c b/drivers/char/tpm/tpm-buf.c index 61833b4d81f0..99811809a72a 100644 --- a/drivers/char/tpm/tpm-buf.c +++ b/drivers/char/tpm/tpm-buf.c @@ -146,17 +146,20 @@ EXPORT_SYMBOL_GPL(tpm_buf_append_u32); /** * tpm_buf_append_handle() - Add a handle - * @chip: &tpm_chip instance * @buf: &tpm_buf instance * @handle: a TPM object handle * * Add a handle to the buffer, and increase the count tracking the number of * handles in the command buffer. Works only for command buffers. */ -void tpm_buf_append_handle(struct tpm_chip *chip, struct tpm_buf *buf, u32 handle) +void tpm_buf_append_handle(struct tpm_buf *buf, u32 handle) { + if (buf->flags & TPM_BUF_INVALID) + return; + if (buf->flags & TPM_BUF_TPM2B) { - dev_err(&chip->dev, "Invalid buffer type (TPM2B)\n"); + WARN(1, "tpm-buf: invalid type: TPM2B\n"); + buf->flags |= TPM_BUF_INVALID; return; } diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c index 1fa3e8a43c79..c9dc35b57687 100644 --- a/drivers/char/tpm/tpm2-cmd.c +++ b/drivers/char/tpm/tpm2-cmd.c @@ -198,7 +198,7 @@ int tpm2_pcr_extend(struct tpm_chip *chip, u32 pcr_idx, } tpm_buf_append_hmac_session(chip, &buf, 0, NULL, 0); } else { - tpm_buf_append_handle(chip, &buf, pcr_idx); + tpm_buf_append_handle(&buf, pcr_idx); tpm_buf_append_auth(chip, &buf, NULL, 0); } diff --git a/drivers/char/tpm/tpm2-sessions.c b/drivers/char/tpm/tpm2-sessions.c index 3b1cf1ca0420..eb67ae14ad73 100644 --- a/drivers/char/tpm/tpm2-sessions.c +++ b/drivers/char/tpm/tpm2-sessions.c @@ -257,7 +257,7 @@ int tpm_buf_append_name(struct tpm_chip *chip, struct tpm_buf *buf, #endif if (!tpm2_chip_auth(chip)) { - tpm_buf_append_handle(chip, buf, handle); + tpm_buf_append_handle(buf, handle); return 0; } diff --git a/include/linux/tpm.h b/include/linux/tpm.h index 3c6a5bcc138a..b357f8971d03 100644 --- a/include/linux/tpm.h +++ b/include/linux/tpm.h @@ -235,7 +235,7 @@ void tpm_buf_append_u32(struct tpm_buf *buf, const u32 value); u8 tpm_buf_read_u8(struct tpm_buf *buf, off_t *offset); u16 tpm_buf_read_u16(struct tpm_buf *buf, off_t *offset); u32 tpm_buf_read_u32(struct tpm_buf *buf, off_t *offset); -void tpm_buf_append_handle(struct tpm_chip *chip, struct tpm_buf *buf, u32 handle); +void tpm_buf_append_handle(struct tpm_buf *buf, u32 handle); /* * Check if TPM device is in the firmware upgrade mode. -- 2.47.3
