[Mesa-dev] [PATCH 1/2] genxml: Fix python crash when no dwords are found.

[Rafael Antognolli]

If the 'dwords' dict is empty, max(dwords.keys()) throws an exception.
This case could happen when we have an instruction that is only an array
of other structs, with variable length.

Signed-off-by: Rafael Antognolli <rafael.antognolli at intel.com>
---
 src/intel/genxml/gen_pack_header.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/intel/genxml/gen_pack_header.py b/src/intel/genxml/gen_pack_header.py
index 2a70945..95215a1 100644
--- a/src/intel/genxml/gen_pack_header.py
+++ b/src/intel/genxml/gen_pack_header.py
@@ -357,7 +357,7 @@ class Group(object):
         if self.size > 0:
             length = self.size // 32
         else:
-            length = max(dwords.keys()) + 1
+            length = max(dwords.keys() + [0]) + 1
 
         for index in range(length):
             # Handle MBZ dwords

base-commit: 115e6847920bfe4e2f2d542d947212a2aeae5db7
-- 
git-series 0.9.1