From: Jarkko Sakkinen <jarkko.sakkinen@opinsys.com>
In a previous bug fix, 'attributes' was added by mistake to
tpm_buf_append_auth(). Remove the parameter.
Fixes: 27184f8905ba ("tpm: Opt-in in disable PCR integrity protection")
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@opinsys.com>
---
v3:
- No changes
v2:
- Uncorrupt the patch.
---
drivers/char/tpm/tpm2-cmd.c | 2 +-
drivers/char/tpm/tpm2-sessions.c | 5 ++---
include/linux/tpm.h | 2 +-
3 files changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
index a7cddd4b5626..86b1a4d859b9 100644
--- a/drivers/char/tpm/tpm2-cmd.c
+++ b/drivers/char/tpm/tpm2-cmd.c
@@ -191,7 +191,7 @@ 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_auth(chip, &buf, 0, NULL, 0);
+ tpm_buf_append_auth(chip, &buf, NULL, 0);
}
tpm_buf_append_u32(&buf, chip->nr_allocated_banks);
diff --git a/drivers/char/tpm/tpm2-sessions.c b/drivers/char/tpm/tpm2-sessions.c
index 6d03c224e6b2..13f019d1312a 100644
--- a/drivers/char/tpm/tpm2-sessions.c
+++ b/drivers/char/tpm/tpm2-sessions.c
@@ -266,7 +266,7 @@ void tpm_buf_append_name(struct tpm_chip *chip, struct tpm_buf *buf,
EXPORT_SYMBOL_GPL(tpm_buf_append_name);
void tpm_buf_append_auth(struct tpm_chip *chip, struct tpm_buf *buf,
- u8 attributes, u8 *passphrase, int passphrase_len)
+ u8 *passphrase, int passphrase_len)
{
/* offset tells us where the sessions area begins */
int offset = buf->handles * 4 + TPM_HEADER_SIZE;
@@ -327,8 +327,7 @@ void tpm_buf_append_hmac_session(struct tpm_chip *chip, struct tpm_buf *buf,
#endif
if (!tpm2_chip_auth(chip)) {
- tpm_buf_append_auth(chip, buf, attributes, passphrase,
- passphrase_len);
+ tpm_buf_append_auth(chip, buf, passphrase, passphrase_len);
return;
}
diff --git a/include/linux/tpm.h b/include/linux/tpm.h
index 51846317d662..1fa02e18e688 100644
--- a/include/linux/tpm.h
+++ b/include/linux/tpm.h
@@ -531,7 +531,7 @@ void tpm_buf_append_hmac_session(struct tpm_chip *chip, struct tpm_buf *buf,
u8 attributes, u8 *passphrase,
int passphraselen);
void tpm_buf_append_auth(struct tpm_chip *chip, struct tpm_buf *buf,
- u8 attributes, u8 *passphrase, int passphraselen);
+ u8 *passphrase, int passphraselen);
static inline void tpm_buf_append_hmac_session_opt(struct tpm_chip *chip,
struct tpm_buf *buf,
u8 attributes,
--
2.39.5
On Mon, Sep 29, 2025 at 10:48:26PM +0300, Jarkko Sakkinen wrote:
> From: Jarkko Sakkinen <jarkko.sakkinen@opinsys.com>
>
> In a previous bug fix, 'attributes' was added by mistake to
> tpm_buf_append_auth(). Remove the parameter.
>
> Fixes: 27184f8905ba ("tpm: Opt-in in disable PCR integrity protection")
> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@opinsys.com>
Reviewed-by: Jonathan McDowell <noodles@meta.com>
> ---
> v3:
> - No changes
> v2:
> - Uncorrupt the patch.
> ---
> drivers/char/tpm/tpm2-cmd.c | 2 +-
> drivers/char/tpm/tpm2-sessions.c | 5 ++---
> include/linux/tpm.h | 2 +-
> 3 files changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
> index a7cddd4b5626..86b1a4d859b9 100644
> --- a/drivers/char/tpm/tpm2-cmd.c
> +++ b/drivers/char/tpm/tpm2-cmd.c
> @@ -191,7 +191,7 @@ 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_auth(chip, &buf, 0, NULL, 0);
> + tpm_buf_append_auth(chip, &buf, NULL, 0);
> }
>
> tpm_buf_append_u32(&buf, chip->nr_allocated_banks);
> diff --git a/drivers/char/tpm/tpm2-sessions.c b/drivers/char/tpm/tpm2-sessions.c
> index 6d03c224e6b2..13f019d1312a 100644
> --- a/drivers/char/tpm/tpm2-sessions.c
> +++ b/drivers/char/tpm/tpm2-sessions.c
> @@ -266,7 +266,7 @@ void tpm_buf_append_name(struct tpm_chip *chip, struct tpm_buf *buf,
> EXPORT_SYMBOL_GPL(tpm_buf_append_name);
>
> void tpm_buf_append_auth(struct tpm_chip *chip, struct tpm_buf *buf,
> - u8 attributes, u8 *passphrase, int passphrase_len)
> + u8 *passphrase, int passphrase_len)
> {
> /* offset tells us where the sessions area begins */
> int offset = buf->handles * 4 + TPM_HEADER_SIZE;
> @@ -327,8 +327,7 @@ void tpm_buf_append_hmac_session(struct tpm_chip *chip, struct tpm_buf *buf,
> #endif
>
> if (!tpm2_chip_auth(chip)) {
> - tpm_buf_append_auth(chip, buf, attributes, passphrase,
> - passphrase_len);
> + tpm_buf_append_auth(chip, buf, passphrase, passphrase_len);
> return;
> }
>
> diff --git a/include/linux/tpm.h b/include/linux/tpm.h
> index 51846317d662..1fa02e18e688 100644
> --- a/include/linux/tpm.h
> +++ b/include/linux/tpm.h
> @@ -531,7 +531,7 @@ void tpm_buf_append_hmac_session(struct tpm_chip *chip, struct tpm_buf *buf,
> u8 attributes, u8 *passphrase,
> int passphraselen);
> void tpm_buf_append_auth(struct tpm_chip *chip, struct tpm_buf *buf,
> - u8 attributes, u8 *passphrase, int passphraselen);
> + u8 *passphrase, int passphraselen);
> static inline void tpm_buf_append_hmac_session_opt(struct tpm_chip *chip,
> struct tpm_buf *buf,
> u8 attributes,
> --
> 2.39.5
>
>
J.
--
101 things you can't have too | .''`. Debian GNU/Linux Developer
much of : 17 - Money. | : :' : Happy to accept PGP signed
| `. `' or encrypted mail - RSA
| `- key on the keyservers.
On Tue, Sep 30, 2025 at 12:10:41PM +0100, Jonathan McDowell wrote:
> On Mon, Sep 29, 2025 at 10:48:26PM +0300, Jarkko Sakkinen wrote:
> > From: Jarkko Sakkinen <jarkko.sakkinen@opinsys.com>
> >
> > In a previous bug fix, 'attributes' was added by mistake to
> > tpm_buf_append_auth(). Remove the parameter.
> >
> > Fixes: 27184f8905ba ("tpm: Opt-in in disable PCR integrity protection")
> > Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@opinsys.com>
>
> Reviewed-by: Jonathan McDowell <noodles@meta.com>
Thank you.
>
> > ---
> > v3:
> > - No changes
> > v2:
> > - Uncorrupt the patch.
> > ---
> > drivers/char/tpm/tpm2-cmd.c | 2 +-
> > drivers/char/tpm/tpm2-sessions.c | 5 ++---
> > include/linux/tpm.h | 2 +-
> > 3 files changed, 4 insertions(+), 5 deletions(-)
> >
> > diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
> > index a7cddd4b5626..86b1a4d859b9 100644
> > --- a/drivers/char/tpm/tpm2-cmd.c
> > +++ b/drivers/char/tpm/tpm2-cmd.c
> > @@ -191,7 +191,7 @@ 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_auth(chip, &buf, 0, NULL, 0);
> > + tpm_buf_append_auth(chip, &buf, NULL, 0);
> > }
> >
> > tpm_buf_append_u32(&buf, chip->nr_allocated_banks);
> > diff --git a/drivers/char/tpm/tpm2-sessions.c b/drivers/char/tpm/tpm2-sessions.c
> > index 6d03c224e6b2..13f019d1312a 100644
> > --- a/drivers/char/tpm/tpm2-sessions.c
> > +++ b/drivers/char/tpm/tpm2-sessions.c
> > @@ -266,7 +266,7 @@ void tpm_buf_append_name(struct tpm_chip *chip, struct tpm_buf *buf,
> > EXPORT_SYMBOL_GPL(tpm_buf_append_name);
> >
> > void tpm_buf_append_auth(struct tpm_chip *chip, struct tpm_buf *buf,
> > - u8 attributes, u8 *passphrase, int passphrase_len)
> > + u8 *passphrase, int passphrase_len)
> > {
> > /* offset tells us where the sessions area begins */
> > int offset = buf->handles * 4 + TPM_HEADER_SIZE;
> > @@ -327,8 +327,7 @@ void tpm_buf_append_hmac_session(struct tpm_chip *chip, struct tpm_buf *buf,
> > #endif
> >
> > if (!tpm2_chip_auth(chip)) {
> > - tpm_buf_append_auth(chip, buf, attributes, passphrase,
> > - passphrase_len);
> > + tpm_buf_append_auth(chip, buf, passphrase, passphrase_len);
> > return;
> > }
> >
> > diff --git a/include/linux/tpm.h b/include/linux/tpm.h
> > index 51846317d662..1fa02e18e688 100644
> > --- a/include/linux/tpm.h
> > +++ b/include/linux/tpm.h
> > @@ -531,7 +531,7 @@ void tpm_buf_append_hmac_session(struct tpm_chip *chip, struct tpm_buf *buf,
> > u8 attributes, u8 *passphrase,
> > int passphraselen);
> > void tpm_buf_append_auth(struct tpm_chip *chip, struct tpm_buf *buf,
> > - u8 attributes, u8 *passphrase, int passphraselen);
> > + u8 *passphrase, int passphraselen);
> > static inline void tpm_buf_append_hmac_session_opt(struct tpm_chip *chip,
> > struct tpm_buf *buf,
> > u8 attributes,
> > --
> > 2.39.5
> >
> >
>
> J.
>
> --
> 101 things you can't have too | .''`. Debian GNU/Linux Developer
> much of : 17 - Money. | : :' : Happy to accept PGP signed
> | `. `' or encrypted mail - RSA
> | `- key on the keyservers.
BR, Jarkko
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