From: Paul Bone <pbone@mozilla.com>
Date: Tue, 2 Mar 2021 09:31:23 +0000 (+1100)
Subject: Only set numPhysicalCores if ratio is valid
X-Git-Tag: v1.4.10~24^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4d6c78fb892cc190bd86e3430650af3f946973e9;p=thirdparty%2Fzstd.git

Only set numPhysicalCores if ratio is valid
---

diff --git a/programs/util.c b/programs/util.c
index be048332b..9b0405043 100644
--- a/programs/util.c
+++ b/programs/util.c
@@ -1212,11 +1212,13 @@ int UTIL_countPhysicalCores(void)
                 /* fall back on the sysconf value */
                 goto failed;
         }   }
-        if (siblings && cpu_cores) {
+        if (siblings && cpu_cores && siblings > cpu_cores) {
             ratio = siblings / cpu_cores;
         }
 
-        numPhysicalCores = numPhysicalCores / ratio;
+        if (ratio && numPhysicalCores > ratio) {
+            numPhysicalCores = numPhysicalCores / ratio;
+        }
 
 failed:
         fclose(cpuinfo);