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ubi: Do not drop UBI device reference before using

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[ 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@163.com>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Pan Bian 2018-11-28 11:20:03 +08:00 committed by Greg Kroah-Hartman
parent 628eaca54b
commit d8f7562fce
1 changed files with 1 additions and 1 deletions
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2
drivers/mtd/ubi/kapi.c
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@ -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);