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tpm: Correct the permissions command in TPMv1

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The offset here is incorrect. Fix it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Simon Glass 2022-08-30 21:05:33 -06:00 committed by Ilias Apalodimas
parent a557d258c6
commit a0f3804a42
1 changed files with 3 additions and 2 deletions
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5
lib/tpm-v1.c
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@ -456,12 +456,13 @@ u32 tpm1_get_permissions(struct udevice *dev, u32 index, u32 *perm)
0x0, 0x0, 0x0, 0x4,
};
const size_t index_offset = 18;
const size_t perm_offset = 60;
const size_t perm_offset = 74;
u8 buf[COMMAND_BUFFER_SIZE], response[COMMAND_BUFFER_SIZE];
size_t response_length = sizeof(response);
u32 err;
if (pack_byte_string(buf, sizeof(buf), "d", 0, command, sizeof(command),
if (pack_byte_string(buf, sizeof(buf), "sd",
0, command, sizeof(command),
index_offset, index))
return TPM_LIB_ERROR;
err = tpm_sendrecv_command(dev, buf, response, &response_length);