From: Dave Airlie <airlied@redhat.com>
Date: Wed, 7 Nov 2018 01:49:04 +0000 (+1000)
Subject: iris: fix crash in sparse vertex array
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ed016b2a0b77a3fa36735c693108cadba07d8917;p=mesa.git

iris: fix crash in sparse vertex array

this fixes crash in array-stride piglit.
---

diff --git a/src/gallium/drivers/iris/iris_state.c b/src/gallium/drivers/iris/iris_state.c
index 06e3e8eacc5..c0173e45d96 100644
--- a/src/gallium/drivers/iris/iris_state.c
+++ b/src/gallium/drivers/iris/iris_state.c
@@ -4208,7 +4208,8 @@ iris_upload_dirty_render_state(struct iris_context *ice,
 
          for (unsigned i = 0; i < cso->num_buffers; i++) {
             struct iris_resource *res = (void *) cso->resources[i];
-            iris_use_pinned_bo(batch, res->bo, false);
+            if (res)
+               iris_use_pinned_bo(batch, res->bo, false);
          }
       }
    }