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| author |   Michael S. Tsirkin <mst@redhat.com> | 2016-02-28 16:31:39 +0200 |
|---|---|---|
| committer |   Alex Williamson <alex.williamson@redhat.com> | 2016-02-28 07:38:52 -0700 |
| commit | 8160c4e455820d5008a1116d2dca35f0363bb062 (patch) | |
| tree | 624ca03b148b98379963ff4e1d4df85f75f7e087 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | Linux 4.5-rc5 (diff) | |
| download | wireguard-linux-8160c4e455820d5008a1116d2dca35f0363bb062.tar.xz wireguard-linux-8160c4e455820d5008a1116d2dca35f0363bb062.zip | |
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>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions