diff options
| author | Dave Airlie <airlied@redhat.com> | 2018-02-01 11:34:47 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2018-02-01 11:34:47 +1000 |
| commit | 7ec3c0957f05150e578a0126df330a6a72e64aae (patch) | |
| tree | 8e3ebc6b9b199aa9cca936965a11326f50e45ca1 /drivers/gpu | |
| parent | 559f17bec508548850654dd04525fd69d90f6d4e (diff) | |
| parent | 761e05a702f5d537ffcca1ba933f9f0a968aa022 (diff) | |
| download | linux-7ec3c0957f05150e578a0126df330a6a72e64aae.tar.bz2 | |
Merge tag 'drm-misc-next-fixes-2018-01-31' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
This contains a fix to restrict what lessee can do with masters and
another one when waiting for timeouts on reservation objects.
* tag 'drm-misc-next-fixes-2018-01-31' of git://anongit.freedesktop.org/drm/drm-misc:
drm: Check for lessee in DROP_MASTER ioctl
dma-buf: fix reservation_object_wait_timeout_rcu once more v2
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/drm_auth.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c index aad468d170a7..d9c0f7573905 100644 --- a/drivers/gpu/drm/drm_auth.c +++ b/drivers/gpu/drm/drm_auth.c @@ -230,6 +230,12 @@ int drm_dropmaster_ioctl(struct drm_device *dev, void *data, if (!dev->master) goto out_unlock; + if (file_priv->master->lessor != NULL) { + DRM_DEBUG_LEASE("Attempt to drop lessee %d as master\n", file_priv->master->lessee_id); + ret = -EINVAL; + goto out_unlock; + } + ret = 0; drm_drop_master(dev, file_priv); out_unlock: |