From: Greg Kroah-Hartman gregkh@linuxfoundation.org
From: Eric Farman farman@linux.ibm.com
commit d9c48a948d29bcb22f4fe61a81b718ef6de561a0 upstream.
Fixes: 120e214e504f ("vfio: ccw: realize VFIO_DEVICE_G(S)ET_IRQ_INFO ioctls") Signed-off-by: Eric Farman farman@linux.ibm.com Signed-off-by: Heiko Carstens hca@linux.ibm.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/s390/cio/vfio_ccw_ops.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/s390/cio/vfio_ccw_ops.c +++ b/drivers/s390/cio/vfio_ccw_ops.c @@ -545,7 +545,7 @@ static ssize_t vfio_ccw_mdev_ioctl(struc if (info.count == -1) return -EINVAL;
- return copy_to_user((void __user *)arg, &info, minsz); + return copy_to_user((void __user *)arg, &info, minsz) ? -EFAULT : 0; } case VFIO_DEVICE_SET_IRQS: {