linux-kernel - [PATCH 2/2] mtd: ubi: use put_device() if device

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Date:   Fri,  9 Mar 2018 16:20:49 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     dwmw2@...radead.org, computersforpeace@...il.com,
        boris.brezillon@...e-electrons.com, marek.vasut@...il.com,
        richard@....at, cyrille.pitchen@...ev4u.fr, dedekind1@...il.com
Cc:     linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org
Subject: [PATCH 2/2] mtd: ubi: use put_device() if device_register fail

if device_register() returned an error! Always use put_device()
to give up the reference initialized.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 drivers/mtd/ubi/vmt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c
index 3fd8d7f..db85b68 100644
--- a/drivers/mtd/ubi/vmt.c
+++ b/drivers/mtd/ubi/vmt.c
@@ -609,6 +609,7 @@ int ubi_add_volume(struct ubi_device *ubi, struct ubi_volume *vol)
 	return err;
 
 out_cdev:
+	put_device(&vol->dev);
 	cdev_del(&vol->cdev);
 	return err;
 }
-- 
1.9.1