diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c
index f1cdf32d7514120b31515ddf2901960d4f766694..8927f9f54ad926f5b50439e23685a35b24c50edf 100644
--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -99,7 +99,7 @@ static int ses_recv_diag(struct scsi_device *sdev, int page_code,
 
 	ret =  scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen,
 				NULL, SES_TIMEOUT, SES_RETRIES, NULL);
-	if (unlikely(!ret))
+	if (unlikely(ret))
 		return ret;
 
 	recv_page_code = ((unsigned char *)buf)[0];