if device_register() returned an error! Always use put_device()to give up the reference initialized.Arvind Yadav (2): [PATCH 1/2] mtd: use put_device() if device_register fail [PATCH 2/2] mtd: ubi: use put_device() if device_register fail drivers/mtd/mtdcore.c | 1 + drivers/mtd/ubi/vmt.c | 1 + 2 files changed, 2 insertions(+)-- 1.9.1