drm/nvc0/graph: remove redundant null checks

It's safe to call kfree(NULL).

Found by smatch.

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
index 15bfe55..0de0dd7 100644 (file)
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c
@@ -613,10 +613,8 @@ nvc0_graph_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 static void
 nvc0_graph_dtor_fw(struct nvc0_graph_fuc *fuc)
 {
-       if (fuc->data) {
-               kfree(fuc->data);
-               fuc->data = NULL;
-       }
+       kfree(fuc->data);
+       fuc->data = NULL;
 }
 
 void
@@ -624,8 +622,7 @@ nvc0_graph_dtor(struct nouveau_object *object)
 {
        struct nvc0_graph_priv *priv = (void *)object;
 
-       if (priv->data)
-               kfree(priv->data);
+       kfree(priv->data);
 
        nvc0_graph_dtor_fw(&priv->fuc409c);
        nvc0_graph_dtor_fw(&priv->fuc409d);