drm/omap: gem: Fix mm_list locking

[mirror_ubuntu-bionic-kernel.git] / drivers / gpu / drm / omapdrm / omap_debugfs.c

diff --git a/drivers/gpu/drm/omapdrm/omap_debugfs.c b/drivers/gpu/drm/omapdrm/omap_debugfs.c
index 19b716745623ac9f9539307149e634b1efaed454..e7aa52c1316944f13bb840f764e395af8fc88434 100644 (file)
--- a/drivers/gpu/drm/omapdrm/omap_debugfs.c
+++ b/drivers/gpu/drm/omapdrm/omap_debugfs.c
@@ -39,7 +39,9 @@ static int gem_show(struct seq_file *m, void *arg)
                return ret;
 
        seq_printf(m, "All Objects:\n");
+       mutex_lock(&priv->list_lock);
        omap_gem_describe_objects(&priv->obj_list, m);
+       mutex_unlock(&priv->list_lock);
 
        mutex_unlock(&dev->struct_mutex);