commit 59090f71a907d279047ae96a371fccda13e09744
author Marco Nelissen <marcone@google.com> Wed Feb 01 15:59:53 2017 -0800
committer Jesse Badash <badash@google.com> Fri Feb 03 01:00:05 2017 +0000
tree fc2fe3b126a4e80b4839f1910d4c805512286132
parent 80cdebb04351f080abf3b8e191e321395bef3fe2

Fix divide by zero for non-arm processor

Bug: 31647370
Bug: 33071964
Test: ran PoC for bug 31647370 on x86
Change-Id: Ibf019c01feecc7aca458a0fe35413a3749b5a284
(cherry picked from commit 85c5976f7240553fb26fe209514e04714d37abbf)

Tremolo/res012.c

diff --git a/Tremolo/res012.c b/Tremolo/res012.c
index be279d0..513d9ad 100644
--- a/Tremolo/res012.c
+++ b/Tremolo/res012.c
@@ -153,7 +153,7 @@
                    always being at most six bits */
                 for(k=0;k<partitions_per_word;k++){
                   ogg_uint32_t div=partword[j][i+k];
-                  partword[j][i+k]=temp/div;
+                  partword[j][i+k]= (div == 0) ? 0 : (temp / div);
                   temp-=partword[j][i+k]*div;
                 }
 
@@ -218,7 +218,7 @@
                always being at most six bits */
             for(k=0;k<partitions_per_word;k++){
               ogg_uint32_t div=partword[i+k];
-              partword[i+k]=temp/div;
+              partword[i+k]= (div == 0) ? 0 : (temp / div);
               temp-=partword[i+k]*div;
             }
           }