Re: [PATCH] s390: cio: Return -EFAULT if copy_to_user() fails

From: Heiko Carstens
Date: Mon Mar 01 2021 - 08:17:04 EST


On Mon, Mar 01, 2021 at 08:01:33PM +0800, Wang Qing wrote:
> The copy_to_user() function returns the number of bytes remaining to be
> copied, but we want to return -EFAULT if the copy doesn't complete.
>
> Signed-off-by: Wang Qing <wangqing@xxxxxxxx>
> ---
> drivers/s390/cio/vfio_ccw_ops.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)

Applied, thanks!