[PATCH 17/18] nvc0: fix segfault if nv50_miptree_from_handle() fails

[Keith Packard]

From: Ben Skeggs <bskeggs at redhat.com>

Signed-off-by: Ben Skeggs <bskeggs at redhat.com>
Signed-off-by: Keith Packard <keithp at keithp.com>
---
 src/gallium/drivers/nouveau/nvc0/nvc0_resource.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_resource.c b/src/gallium/drivers/nouveau/nvc0/nvc0_resource.c
index 4e70903..7fbc6e1 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_resource.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_resource.c
@@ -26,7 +26,8 @@ nvc0_resource_from_handle(struct pipe_screen * screen,
    } else {
       struct pipe_resource *res = nv50_miptree_from_handle(screen,
                                                            templ, whandle);
-      nv04_resource(res)->vtbl = &nvc0_miptree_vtbl;
+      if (res)
+         nv04_resource(res)->vtbl = &nvc0_miptree_vtbl;
       return res;
    }
 }
-- 
1.8.4.4