diff options
| author | Simon Glass <sjg@chromium.org> | 2018-11-23 21:29:37 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2018-12-05 06:01:34 -0700 |
| commit | eafb4a59dbb90a63c9676f16ffa1e099ee26ec28 (patch) | |
| tree | cd99b60de91aaf1064e8cd9d6519e02b13ff4e1c /drivers/misc | |
| parent | a749c09a1ea7376ff7a891663bb80ffbe308c485 (diff) | |
cros_ec: Adjust to use v1 vboot context only
At present there are no users of the 64-byte v2 context. The v1 context is
only 16 bytes long and currently an error is raised if too much data is
returned from the EC.
Update the code to limit the size to 16 bytes.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/cros_ec_sandbox.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/misc/cros_ec_sandbox.c b/drivers/misc/cros_ec_sandbox.c index 429f1a9b26..4fcb2d96f5 100644 --- a/drivers/misc/cros_ec_sandbox.c +++ b/drivers/misc/cros_ec_sandbox.c @@ -313,13 +313,15 @@ static int process_cmd(struct ec_state *ec, switch (req->op) { case EC_VBNV_CONTEXT_OP_READ: + /* TODO(sjg@chromium.org): Support full-size context */ memcpy(resp->block, ec->vbnv_context, - sizeof(resp->block)); - len = sizeof(*resp); + EC_VBNV_BLOCK_SIZE); + len = 16; break; case EC_VBNV_CONTEXT_OP_WRITE: - memcpy(ec->vbnv_context, resp->block, - sizeof(resp->block)); + /* TODO(sjg@chromium.org): Support full-size context */ + memcpy(ec->vbnv_context, req->block, + EC_VBNV_BLOCK_SIZE); len = 0; break; default: |