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

2021-03-01 Thread Heiko Carstens
On Mon, Mar 01, 2021 at 01:07:26PM -0500, Eric Farman wrote: > > > On 3/1/21 8:13 AM, Heiko Carstens wrote: > > 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

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

2021-03-01 Thread Eric Farman
On 3/1/21 8:13 AM, Heiko Carstens wrote: 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 ---

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

2021-03-01 Thread Heiko Carstens
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 > --- > drivers/s390/cio/vfio_ccw_ops.c | 4 ++-- > 1 file

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

2021-03-01 Thread Wang Qing
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 --- drivers/s390/cio/vfio_ccw_ops.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git