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

[Brian Paul]

Module: Mesa
Branch: master
Commit: d3e948340be3fe61d3724f1b96651c2097b4026e
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d3e948340be3fe61d3724f1b96651c2097b4026e

Author: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
Date:   Fri Feb  7 14:44:02 2014 +0200

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

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

---

 src/mesa/drivers/dri/i965/brw_fs.cpp |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index c290c28..217892a 100644
--- 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;