From bf25c53a7d2e34319a8f845045c83ef7a74068a7 Mon Sep 17 00:00:00 2001
From: Mitchell Hayenga <Mitchell.Hayenga@ARM.com>
Date: Wed, 23 Apr 2014 05:18:26 -0400
Subject: [PATCH] cpu: Fix setTranslateLatency() bug for squashed instructions

setTranslateLatency could sometimes improperly access a deleted request
packet after an instruction was squashed.
---
 src/cpu/translation.hh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/cpu/translation.hh b/src/cpu/translation.hh
index c05cc86a0..46c96a0d4 100644
--- a/src/cpu/translation.hh
+++ b/src/cpu/translation.hh
@@ -255,8 +255,11 @@ class DataTranslation : public BaseTLB::Translation
         assert(state);
         assert(mode == state->mode);
         if (state->finish(fault, index)) {
+            if (state->getFault() == NoFault) {
+                // Don't access the request if faulted (due to squash)
+                req->setTranslateLatency();
+            }
             xc->finishTranslation(state);
-            req->setTranslateLatency();
         }
         delete this;
     }