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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2018-04-20 12:04:26 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@gmail.com> | 2018-04-20 12:04:26 -0400 |
| commit | cfec36d75b460843403c9e1392fddedf08288c9f (patch) | |
| tree | c2680c2627772aead51327fb3b21bf06ee66f72a /drivers/gpu/drm/drm_auth.c | |
| parent | 3b7c824e9330a640312fce1b04537c684c1d602c (diff) | |
| parent | b22a1fa1b34f17ef3a5cc6007e0705375de3d5dd (diff) | |
Merge remote-tracking branch 'linux-stable/linux-4.15.y' into bcachefs-buffered-io-2
Diffstat (limited to 'drivers/gpu/drm/drm_auth.c')
| -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: |