From 4f5bbf804b5590631abb7ff36b74871a0725f8fa Mon Sep 17 00:00:00 2001
From: Jason Ekstrand <jason.ekstrand@intel.com>
Date: Mon, 6 Jun 2016 11:20:44 -0700
Subject: [PATCH] anv/pipeline_cache: Allow for an zero-sized cache

This gets ANV_ENABLE_PIPELINE_CACHE=false working again.

Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Cc: "12.0" <mesa-stable@lists.freedesktop.org>
---
 src/intel/vulkan/anv_pipeline_cache.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/intel/vulkan/anv_pipeline_cache.c b/src/intel/vulkan/anv_pipeline_cache.c
index f75c4233d47..6af15d440c4 100644
--- a/src/intel/vulkan/anv_pipeline_cache.c
+++ b/src/intel/vulkan/anv_pipeline_cache.c
@@ -158,7 +158,10 @@ anv_pipeline_cache_search_unlocked(struct anv_pipeline_cache *cache,
       }
    }
 
-   unreachable("hash table should never be full");
+   /* This can happen if the pipeline cache is disabled via
+    * ANV_ENABLE_PIPELINE_CACHE=false
+    */
+   return NO_KERNEL;
 }
 
 uint32_t