Messages in this thread Patch in this message | | | From | Arvind Yadav <> | Subject | [PATCH 2/2 v2] mtd: ubi: use put_device() if device_register fail | Date | Thu, 15 Mar 2018 12:50:31 +0530 |
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if device_register() returned an error! Always use put_device() to give up the reference initialized.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> --- change in v2: Fix use-after-free bug. move put_device() after cdev_del().
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..93c6163 100644 --- a/drivers/mtd/ubi/vmt.c +++ b/drivers/mtd/ubi/vmt.c @@ -610,6 +610,7 @@ int ubi_add_volume(struct ubi_device *ubi, struct ubi_volume *vol) out_cdev: cdev_del(&vol->cdev); + put_device(&vol->dev); return err; } -- 1.9.1
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