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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2018-12-12 14:08:45 +0100
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2018-12-12 14:08:45 +0100
commitcfbbc7703fff59c67761c93a8b1de29a79f9841c (patch)
tree58b4b37bed385b27fc5956435b2451c760f26f5f /drivers/gpu/drm/drm_auth.c
parent5f3fecbc0715a70437501e1d85e74726c4f561be (diff)
parent1aa861ff238ecd17a3095b0dbd2d20bdf7bfaf14 (diff)
Merge tag 'v4.9.144' into 4.9-2.3.x-imx
This is the 4.9.144 stable release
Diffstat (limited to 'drivers/gpu/drm/drm_auth.c')
-rw-r--r--drivers/gpu/drm/drm_auth.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c
index b2ab53075de9..1525726e9a96 100644
--- a/drivers/gpu/drm/drm_auth.c
+++ b/drivers/gpu/drm/drm_auth.c
@@ -142,6 +142,7 @@ static int drm_new_set_master(struct drm_device *dev, struct drm_file *fpriv)
lockdep_assert_held_once(&dev->master_mutex);
+ WARN_ON(fpriv->is_master);
old_master = fpriv->master;
fpriv->master = drm_master_create(dev);
if (!fpriv->master) {
@@ -170,6 +171,7 @@ out_err:
/* drop references and restore old master on failure */
drm_master_put(&fpriv->master);
fpriv->master = old_master;
+ fpriv->is_master = 0;
return ret;
}