From 29eb460d0b20fe32619e50e3a5a517e8d3f71b3c Mon Sep 17 00:00:00 2001
From: Ben Noordhuis <info@bnoordhuis.nl>
Date: Wed, 22 Aug 2012 09:46:00 +0200
Subject: [PATCH] linux: fix fscanf() -Wunused-result warning

---
 src/unix/linux/linux-core.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/unix/linux/linux-core.c b/src/unix/linux/linux-core.c
index f20edd08..167423f1 100644
--- a/src/unix/linux/linux-core.c
+++ b/src/unix/linux/linux-core.c
@@ -469,8 +469,9 @@ static unsigned long read_cpufreq(unsigned int cpunum) {
   if (fp == NULL)
     return 0;
 
-  val = 0;
-  fscanf(fp, "%lu", &val);
+  if (fscanf(fp, "%lu", &val) != 1)
+    val = 0;
+
   fclose(fp);
 
   return val;