drm: fix double lock typo

[airlied: you shall not retype patches from other trees half asleep]

Signed-of-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index 096e2a3..7c8b15b 100644 (file)
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -168,7 +168,7 @@ int drm_setmaster_ioctl(struct drm_device *dev, void *data,
            file_priv->minor->master != file_priv->master) {
                mutex_lock(&dev->struct_mutex);
                file_priv->minor->master = drm_master_get(file_priv->master);
-               mutex_lock(&dev->struct_mutex);
+               mutex_unlock(&dev->struct_mutex);
        }
 
        return 0;