zhong jiang 19d875ecbd misc: genwqe: should return proper error value.
[ Upstream commit 02241995b004faa7d9ff628e97f24056190853f8 ]

The function should return -EFAULT when copy_from_user fails. Even
though the caller does not distinguish them. but we should keep backward
compatibility.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-11-25 09:52:54 +01:00
..
2014-09-23 23:15:46 -07:00
2016-02-08 14:57:30 -08:00