[PATCH 13/13] drm: Fix error handling in drm_master_create

[Daniel Vetter]

We need to check whether drm_ht_create succeed and clean up
if not.

Spotted by coverity.

Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 drivers/gpu/drm/drm_stub.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index dc2c6095d850..a7f22822371c 100644
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -131,7 +131,10 @@ struct drm_master *drm_master_create(struct drm_minor 
*minor)
        kref_init(&master->refcount);
        spin_lock_init(&master->lock.spinlock);
        init_waitqueue_head(&master->lock.lock_queue);
-       drm_ht_create(&master->magiclist, DRM_MAGIC_HASH_ORDER);
+       if (drm_ht_create(&master->magiclist, DRM_MAGIC_HASH_ORDER)) {
+               kfree(master);
+               return NULL;
+       }
        INIT_LIST_HEAD(&master->magicfree);
        master->minor = minor;

-- 
1.8.5.2