[Mesa-dev] [PATCH] nv50/ir: fix crash in isUniform for undefined values

Karol Herbst kherbst at redhat.com
Sat Nov 2 23:57:38 UTC 2019


Signed-off-by: Karol Herbst <kherbst at redhat.com>
---
 src/gallium/drivers/nouveau/codegen/nv50_ir.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir.cpp
index a181a13a3b1..ae07d967221 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir.cpp
@@ -274,6 +274,8 @@ LValue::isUniform() const
    if (defs.size() > 1)
       return false;
    Instruction *insn = getInsn();
+   if (!insn)
+      return false;
    // let's not try too hard here for now ...
    return !insn->srcExists(1) && insn->getSrc(0)->isUniform();
 }
-- 
2.23.0



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