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authorWolfram Sang <wsa@the-dreams.de>2018-12-11 20:58:20 +0100
committerWolfram Sang <wsa@the-dreams.de>2018-12-11 20:58:20 +0100
commit66693960f574aa830986e1603657af36423b24eb (patch)
tree035aae54d64d79e514f95e18cc3dcf411a98c55e /drivers/gpu/drm/drm_auth.c
parent3ca3f86f7f4856222a8b697d60d32717160a1a1b (diff)
parent40e020c129cfc991e8ab4736d2665351ffd1468d (diff)
Merge tag 'v4.20-rc6' into i2c/for-5.0
Linux 4.20-rc6
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 d9c0f7573905..1669c42c40ed 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;
}