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-rw-r--r--drivers/platform/chrome/cros_ec_proto.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c
index b152f2902b32..0b0bc3717cbb 100644
--- a/drivers/platform/chrome/cros_ec_proto.c
+++ b/drivers/platform/chrome/cros_ec_proto.c
@@ -458,6 +458,11 @@ static int cros_ec_get_host_command_version_mask(struct cros_ec_device *ec_dev,
goto exit;
}
+ if (ret == 0) {
+ ret = -EPROTO;
+ goto exit;
+ }
+
rver = (struct ec_response_get_cmd_versions *)msg->data;
*mask = rver->version_mask;
ret = 0;