| commit | 8160c4e455820d5008a1116d2dca35f0363bb062 | [log] [tgz] |
|---|---|---|
| author | Michael S. Tsirkin <mst@redhat.com> | Sun Feb 28 16:31:39 2016 +0200 |
| committer | Alex Williamson <alex.williamson@redhat.com> | Sun Feb 28 07:38:52 2016 -0700 |
| tree | 624ca03b148b98379963ff4e1d4df85f75f7e087 | |
| parent | 81f70ba233d5f660e1ea5fe23260ee323af5d53a [diff] |
vfio: fix ioctl error handling Calling return copy_to_user(...) in an ioctl will not do the right thing if there's a pagefault: copy_to_user returns the number of bytes not copied in this case. Fix up vfio to do return copy_to_user(...)) ? -EFAULT : 0; everywhere. Cc: stable@vger.kernel.org Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>