On 11/23/23 21:02, Jarkko Sakkinen wrote:
Declare reader functions for the instances of struct tpm_buf. If the read
goes out of boundary, TPM_BUF_BOUNDARY_ERROR is set, and subsequent read
will do nothing.
Signed-off-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
---
+ */
+u16 tpm_buf_read_u16(struct tpm_buf *buf, off_t *offset)
+{
+ u16 value;
This should be __be16 ...
+
+ tpm_buf_read(buf, offset, sizeof(value), &value);
+
+ return be16_to_cpu(value);
+}
+EXPORT_SYMBOL_GPL(tpm_buf_read_u16);
+
+/**
+ * tpm_buf_read_u32() - Read 32-bit word from a TPM buffer
+ * @buf: &tpm_buf instance
+ * @offset: offset within the buffer
+ *
+ * Return: next 32-bit word
+ */
+u32 tpm_buf_read_u32(struct tpm_buf *buf, off_t *offset)
+{
+ u32 value;
... and this __be32 to avoid this here:
drivers/char/tpm/tpm-buf.c:203:16: warning: cast to restricted __be16
drivers/char/tpm/tpm-buf.c:220:16: warning: cast to restricted __be32
