From: Pan Bian <bianpan2016@xxxxxxx> [ Upstream commit e542087701f09418702673631a908429feb3eae0 ] The UBI device reference is dropped but then the device is used as a parameter of ubi_err. The bug is introduced in changing ubi_err's behavior. The old ubi_err does not require a UBI device as its first parameter, but the new one does. Fixes: 32608703310 ("UBI: Extend UBI layer debug/messaging capabilities") Signed-off-by: Pan Bian <bianpan2016@xxxxxxx> Reviewed-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxx> Signed-off-by: Richard Weinberger <richard@xxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/mtd/ubi/kapi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mtd/ubi/kapi.c b/drivers/mtd/ubi/kapi.c index e9e9ecbcedcc3..0b8f0c46268da 100644 --- a/drivers/mtd/ubi/kapi.c +++ b/drivers/mtd/ubi/kapi.c @@ -227,9 +227,9 @@ out_unlock: out_free: kfree(desc); out_put_ubi: - ubi_put_device(ubi); ubi_err(ubi, "cannot open device %d, volume %d, error %d", ubi_num, vol_id, err); + ubi_put_device(ubi); return ERR_PTR(err); } EXPORT_SYMBOL_GPL(ubi_open_volume); -- 2.20.1