Re: [tpmdd-devel] [PATCH v8 7/8] tpm: TPM 2.0 CRB Interface
From: Stefan Berger <hidden>
Date: 2014-12-02 23:09:31
Also in:
lkml
On 12/02/2014 05:31 PM, Jarkko Sakkinen wrote:
+struct acpi_tpm2 {
+ struct acpi_table_header hdr;
+ u16 platform_class;
+ u16 reserved;
+ u64 control_area_pa;
+ u32 start_method;
+} __packed;[...]
+ }
+
+ if (buf->hdr.length != sizeof(struct acpi_tpm2)) {
This should be
if (buf->hdr.length < sizeof(struct acpi_tpm2)) {
since the ACPI TPM2 table may have a variable number of 'Platform
Specific Parameters' beyond the 'Start Method Field'. What we don't want
to have is less, but more is fine.
Stefan