1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/drm/omapdrm/omap_debugfs.c b/drivers/gpu/drm/omapdrm/omap_debugfs.c
index 95ade441caa8..91cf043f2b6b 100644
--- a/drivers/gpu/drm/omapdrm/omap_debugfs.c
+++ b/drivers/gpu/drm/omapdrm/omap_debugfs.c
@@ -32,7 +32,9 @@ static int gem_show(struct seq_file *m, void *arg)
         struct omap_drm_private *priv = dev->dev_private;
 
         seq_printf(m, "All Objects:\n");
+        mutex_lock(&priv->list_lock);
         omap_gem_describe_objects(&priv->obj_list, m);
+        mutex_unlock(&priv->list_lock);
 
         return 0;
 }