File 0087-Block-overwriting-existing-links-while-man... of Package mdadm

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File 0087-Block-overwriting-existing-links-while-manual-assemb.patch of Package mdadm (Revision e84f5ff5227b2e1be952ad99d34c97d6)

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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 82/89] Block overwriting existing links while manual assembly
Commit: 7758ada9f3872cc9cb4c76c733dbc553562b3d7d
Patch-mainline: mdadm-4.1+
References: jsc#SLE-13700

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>
Signed-off-by: Coly Li <colyli@suse.de>
---
 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
-- 
2.26.2

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File 0087-Block-overwriting-existing-links-while-manual-assemb.patch of Package mdadm (Revision e84f5ff5227b2e1be952ad99d34c97d6)

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