drm: Protect dev->filelist with its own mutex

[cascardo/linux.git] / drivers / gpu / drm / drm_drv.c

diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index e1fb52d..bff8922 100644 (file)
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -590,6 +590,7 @@ struct drm_device *drm_dev_alloc(struct drm_driver *driver,
        spin_lock_init(&dev->buf_lock);
        spin_lock_init(&dev->event_lock);
        mutex_init(&dev->struct_mutex);
+       mutex_init(&dev->filelist_mutex);
        mutex_init(&dev->ctxlist_mutex);
        mutex_init(&dev->master_mutex);