[PATCH v6 4/8] tpm: Update struct tpm_buf documentation comments

From: Jarkko Sakkinen
Date: Thu Nov 23 2023 - 21:03:21 EST


Remove deprecated portions and document enum values.

Signed-off-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
---
v1 [2023-11-21]: A new patch.
v2 [2023-11-24]: Refined the commit message a bit.
---
include/linux/tpm.h | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/include/linux/tpm.h b/include/linux/tpm.h
index bb0e8718a432..0a8c1351adc2 100644
--- a/include/linux/tpm.h
+++ b/include/linux/tpm.h
@@ -297,15 +297,14 @@ struct tpm_header {
};
} __packed;

-/* A string buffer type for constructing TPM commands. This is based on the
- * ideas of string buffer code in security/keys/trusted.h but is heap based
- * in order to keep the stack usage minimal.
- */
-
enum tpm_buf_flags {
+ /* the capacity exceeded: */
TPM_BUF_OVERFLOW = BIT(0),
};

+/*
+ * A string buffer type for constructing TPM commands.
+ */
struct tpm_buf {
unsigned int flags;
u8 *data;
--
2.43.0