From da1b103a50732804bec48429523011322eb1acf5 Mon Sep 17 00:00:00 2001
From: PA4WDH
Date: Sun, 21 May 2023 11:01:50 +0200
Subject: Improve error handling

---
 failsafe.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

(limited to 'failsafe.c')

diff --git a/failsafe.c b/failsafe.c
index 3b9fe48..fec00e8 100644
--- a/failsafe.c
+++ b/failsafe.c
@@ -10,24 +10,23 @@ extern struct s_config config;
 
 void failsafe(int code)
 {
- printf("Failed to set governor, error %d (%s).\n",errno,strerror(errno));
-
-// We failed to set the governor, try to fail safe. First try the CPU minimum
-// frequency, if that doesn't work out try the fallback frequency
- if (cpufreq_set_long_int("scaling_max_freq",cpudata.min_freq,100)==0)
+// First try to set the CPU to it's minimum frequency
+ if (cpufreq_set_long_int("scaling_max_freq",cpudata.min_freq,100)>0)
  {
-  printf("Set scaling frequency to CPU's minimum frequency.");
+  printf("Set scaling frequency to CPU's minimum frequency.\n");
   exit(code);
  }
  printf("Failed to set scaling frequency to CPU's minimum frequency, error: %d (%s).\n",errno,strerror(errno));
 
- if (cpufreq_set_long_int("scaling_max_freq",config.fallback_freq,100)==0)
+// If that failed, try the fallback frequency
+ if (cpufreq_set_long_int("scaling_max_freq",config.fallback_freq,100)>0)
  {
-  printf("Set scaling frequency to fallback frequency.");
+  printf("Set scaling frequency to fallback frequency.\n");
   exit(code);
  }
  printf("Failed to set scaling frequency to fallback frequency, error: %d (%s).\n",errno,strerror(errno));
 
+// Everything failed, issue a warning 
  printf("All safety measures failed, watch out not to fry your hardware.\n");
  exit(code);
 }
-- 
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