---

yaml
---
r: 345863
b: refs/heads/master
c: 38f1961
h: refs/heads/master
i:
  345861: 77b0b1a
  345859: ad72ed5
  345855: 7dcdeb1
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: cffec5b2fe8e851f54bb67a9012add062a97b960
+refs/heads/master: 38f19616d2c6d4e0ab2de01e4c2f159cd5aa8b49

trunk/drivers/block/drbd/drbd_nl.c

@@ -2590,8 +2590,11 @@ int drbd_adm_create_connection(struct sk_buff *skb, struct genl_info *info)
 		goto out;
 
 	if (adm_ctx.tconn) {
-		retcode = ERR_INVALID_REQUEST;
-		drbd_msg_put_info("connection exists");
+		if (info->nlhdr->nlmsg_flags & NLM_F_EXCL) {
+			retcode = ERR_INVALID_REQUEST;
+			drbd_msg_put_info("connection exists");
+		}
+		/* else: still NO_ERROR */
 		goto out;
 	}
 
@@ -2626,6 +2629,15 @@ int drbd_adm_add_minor(struct sk_buff *skb, struct genl_info *info)
 		goto out;
 	}
 
+	/* drbd_adm_prepare made sure already
+	 * that mdev->tconn and mdev->vnr match the request. */
+	if (adm_ctx.mdev) {
+		if (info->nlhdr->nlmsg_flags & NLM_F_EXCL)
+			retcode = ERR_MINOR_EXISTS;
+		/* else: still NO_ERROR */
+		goto out;
+	}
+
 	retcode = conn_new_minor(adm_ctx.tconn, dh->minor, adm_ctx.volume);
 out:
 	drbd_adm_finish(info, retcode);