iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

platform/chrome: cros_ec_proto: return -EPROTO if empty payload

Browse Source 
cros_ec_wait_until_complete() sends EC_CMD_GET_COMMS_STATUS which expects
to receive sizeof(struct ec_response_get_comms_status) from
cros_ec_xfer_command().

Return -EPROTO if cros_ec_xfer_command() returns 0.

Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20220718050914.2267370-11-tzungbi@kernel.org
This commit is contained in:
Tzung-Bi Shih 2022-07-18 05:09:14 +00:00
parent 82c9b7ed8c
commit 3e1c715ea1
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/platform/chrome/cros_ec_proto.c
View File

@ -163,6 +163,11 @@ static int cros_ec_wait_until_complete(struct cros_ec_device *ec_dev, uint32_t *
if (msg->result != EC_RES_SUCCESS)
return ret;
if (ret == 0) {
ret = -EPROTO;
break;
}
if (!(status->flags & EC_COMMS_STATUS_PROCESSING))
return ret;
}