[Mesa-dev] [PATCH] nv50/ir: fix minor memory corpution when RA does another round

[Karol Herbst]

From: Karol Herbst <git at karolherbst.de>

sometimes an application might crash with a message like this:
   ERROR: no viable spill candidates left
this is due to a memory corruption wich only manifest when there is another RA round

this fixes this

Signed-off-by: Karol Herbst <nouveau at karolherbst.de>
---
 src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp
index cd8c42c..de39be8 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp
@@ -1544,6 +1544,9 @@ GCRA::cleanup(const bool success)
 
    delete[] nodes;
    nodes = NULL;
+   hi.next = hi.prev = &hi;
+   lo[0].next = lo[0].prev = &lo[0];
+   lo[1].next = lo[1].prev = &lo[1];
 }
 
 Symbol *
-- 
2.7.0