gallium/aux: Report error if loading of a pipe driver fails.

Skip over non-existent files.
Signed-off-by: Jan Vesely <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>

1 files changed, 4 insertions, 1 deletions

diff --git a/src/gallium/auxiliary/pipe-loader/pipe_loader.c b/src/gallium/auxiliary/pipe-loader/pipe_loader.c
index 6fd15527e53..fc8ee8e8dcd 100644
--- a/src/gallium/auxiliary/pipe-loader/pipe_loader.c
+++ b/src/gallium/auxiliary/pipe-loader/pipe_loader.c
@@ -31,6 +31,7 @@
 #include "util/u_memory.h"
 #include "util/u_string.h"
 #include "util/u_dl.h"
+#include "util/u_file.h"
 #include "util/xmlconfig.h"
 #include "util/xmlpool.h"
 
@@ -158,11 +159,13 @@ pipe_loader_find_module(const char *driver_name,
          ret = util_snprintf(path, sizeof(path), "%s%s%s",
                              MODULE_PREFIX, driver_name, UTIL_DL_EXT);
 
-      if (ret > 0 && ret < sizeof(path)) {
+      if (ret > 0 && ret < sizeof(path) && u_file_access(path, 0) != -1) {
          lib = util_dl_open(path);
          if (lib) {
             return lib;
          }
+         fprintf(stderr, "ERROR: Failed to load pipe driver at `%s': %s\n",
+                         path, util_dl_error());
       }
    }