From 7758ada9f3872cc9cb4c76c733dbc553562b3d7d Mon Sep 17 00:00:00 2001

From: Kinga Tanska <kinga.tanska@intel.com>

Date: Fri, 29 May 2020 08:31:36 +0200

Subject: [PATCH 082/108] Block overwriting existing links while manual

 assembly

Manual assembly with existing link caused overwriting

this link. Add checking link and block this situation.

Signed-off-by: Kinga Tanska <kinga.tanska@intel.com>

Signed-off-by: Jes Sorensen <jsorensen@fb.com>

---

 Assemble.c | 4 ++++

 1 file changed, 4 insertions(+)

diff --git a/Assemble.c b/Assemble.c

index 3e5d4e6..ed0ddfb 100644

--- a/Assemble.c

+++ b/Assemble.c

@@ -1482,6 +1482,10 @@ try_again:

 				name = content->name;

 			break;

 		}

+		if (mddev && map_by_name(&map, mddev) != NULL) {

+			pr_err("Cannot create device with %s because is in use\n", mddev);

+			goto out;

+		}

 		if (!auto_assem)

 			/* If the array is listed in mdadm.conf or on

 			 * command line, then we trust the name

-- 

2.7.5