diff options
Diffstat (limited to 'common/host_command.c')
| -rw-r--r-- | common/host_command.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/common/host_command.c b/common/host_command.c index 57cfe506c9..7ff327c726 100644 --- a/common/host_command.c +++ b/common/host_command.c @@ -518,6 +518,11 @@ static int host_command_read_memmap(struct host_cmd_handler_args *args) offset + size > EC_MEMMAP_SIZE) return EC_RES_INVALID_PARAM; + /* Make sure switch data is initialized */ + if (offset == EC_MEMMAP_SWITCHES && + *host_get_memmap(EC_MEMMAP_SWITCHES_VERSION) == 0) + return EC_RES_UNAVAILABLE; + memcpy(args->response, host_get_memmap(offset), size); args->response_size = size; |