From: Hoa Nguyen <hoanguyen@ucdavis.edu>
Date: Thu, 30 Jul 2020 22:51:58 +0000 (-0700)
Subject: dev-arm: Initialize cd_addr in src/dev/arm/smmu_v3_transl.cc
X-Git-Tag: v20.1.0.0~355
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9f033ee6c8fff0dbfb7cd9cea3f753ba399c0d17;p=gem5.git

dev-arm: Initialize cd_addr in src/dev/arm/smmu_v3_transl.cc

In src/dev/arm/smmu_v3_transl.cc#L1401, cd_addr might not be
initialized when all if statements fail.

Change-Id: Idf53c07a9b5d52eea488e631f7334d4b566e645a
Signed-off-by: Hoa Nguyen <hoanguyen@ucdavis.edu>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/32015
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Maintainer: Giacomo Travaglini <giacomo.travaglini@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>
---

diff --git a/src/dev/arm/smmu_v3_transl.cc b/src/dev/arm/smmu_v3_transl.cc
index 209b04f06..c7b20f924 100644
--- a/src/dev/arm/smmu_v3_transl.cc
+++ b/src/dev/arm/smmu_v3_transl.cc
@@ -1398,7 +1398,7 @@ SMMUTranslationProcess::doReadCD(Yield &yield,
                                  const StreamTableEntry &ste,
                                  uint32_t sid, uint32_t ssid)
 {
-    Addr cd_addr;
+    Addr cd_addr = 0;
 
     if (ste.dw0.s1cdmax == 0) {
         cd_addr = ste.dw0.s1ctxptr << ST_CD_ADDR_SHIFT;