From 168b305b0cfb7467a6691993f922ecbdcfc00c98 Mon Sep 17 00:00:00 2001
From: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Date: Fri, 14 Jun 2019 15:41:06 -0700
Subject: [PATCH] md: md.c: Return -ENODEV when mddev is NULL in rdev_attr_show
Git-commit: 168b305b0cfb7467a6691993f922ecbdcfc00c98
Patch-mainline: v5.3-rc1
References: bsc#1166003

Commit c42d3240990814eec1e4b2b93fa0487fc4873aed
("md: return -ENODEV if rdev has no mddev assigned") changed
rdev_attr_store to return -ENODEV when rdev->mddev is NULL, now do the
same to rdev_attr_show.

Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Coly Li <colyli@suse.de>

---
 drivers/md/md.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 04f4f131f9d6..86f4f2b5a724 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3356,7 +3356,7 @@ rdev_attr_show(struct kobject *kobj, struct attribute *attr, char *page)
 	if (!entry->show)
 		return -EIO;
 	if (!rdev->mddev)
-		return -EBUSY;
+		return -ENODEV;
 	return entry->show(rdev, page);
 }
 
-- 
2.25.0