i965: Add missing null check in fs_visitor::dead_code_eliminate_local()

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: Brian Paul <brianp@vmware.com>

diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index c290c28c47c79f73de0876f00a0dafec2c7a368b..217892a3f8bc49e78ad5e631809a6ca0f519f4a7 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -2190,6 +2190,10 @@ fs_visitor::dead_code_eliminate_local()
 
    ht = _mesa_hash_table_create(mem_ctx, dead_code_hash_compare);
 
+   if (ht == NULL) {
+      return false;
+   }
+
    foreach_list_safe(node, &this->instructions) {
       fs_inst *inst = (fs_inst *)node;