diff options
| -rw-r--r-- | drivers/platform/olpc/olpc-ec.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/platform/olpc/olpc-ec.c b/drivers/platform/olpc/olpc-ec.c index 2a647455a368..a91f78245f5e 100644 --- a/drivers/platform/olpc/olpc-ec.c +++ b/drivers/platform/olpc/olpc-ec.c @@ -125,8 +125,11 @@ int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf, size_t outlen) struct olpc_ec_priv *ec = ec_priv; struct ec_cmd_desc desc; - /* Ensure a driver and ec hook have been registered */ - if (WARN_ON(!ec_driver || !ec_driver->ec_cmd)) + /* Driver not yet registered. */ + if (!ec_driver) + return -EPROBE_DEFER; + + if (WARN_ON(!ec_driver->ec_cmd)) return -ENODEV; if (!ec) |