Re: [Mesa-dev] [PATCH 6/6] util: disable cache if we have no build-id and timestamp is zero

[Timothy Arceri]

On 19/9/18 9:32 pm, Bas Nieuwenhuizen wrote:

On Wed, Sep 19, 2018 at 4:14 AM Timothy Arceri <tarc...@itsqueeze.com> wrote:

Timestamp can be zero for example when Flatpack is used. In this
case just disable the cache rather then segfaulting when
incompatible cache items are loaded.
---
  src/amd/vulkan/radv_device.c | 4 ----
  src/util/disk_cache.h        | 6 ++++++
  2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index f9169d9d012..7d915c68aaa 100644
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -61,10 +61,6 @@ radv_get_build_id(void *ptr, struct mesa_sha1 *ctx)
         } else
  #endif
         if (disk_cache_get_function_timestamp(ptr, &timestamp)) {
-               if (!timestamp) {
-                       fprintf(stderr, "radv: The provided filesystem timestamp for 
the cache is bogus!\n");
-               }
-
                 _mesa_sha1_update(ctx, &timestamp, sizeof(timestamp));
         } else
                 return false;
diff --git a/src/util/disk_cache.h b/src/util/disk_cache.h
index 962a26ffc8c..c37acd75830 100644
--- a/src/util/disk_cache.h
+++ b/src/util/disk_cache.h
@@ -102,6 +102,12 @@ disk_cache_get_function_timestamp(void *ptr, uint32_t* 
timestamp)
        return false;
     }
     *timestamp = st.st_mtime;
+
+   if (!timestamp) {
+      fprintf(stderr, "Mesa: The provided filesystem timestamp for the cache "
+              "is bogus! Disabling On-disk cache.\n");

Wouldn't this need a "return false;" ?

Whoops. That was the intention here yes.

+   }
+
     return true;
  }

--
2.17.1

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