Merge branch 'collectd-5.8'

[collectd.git] / src / irq.c

diff --git a/src/irq.c b/src/irq.c
index 371ba64..aa6ac04 100644 (file)
--- a/src/irq.c
+++ b/src/irq.c
@@ -37,7 +37,7 @@
 static const char *config_keys[] = {"Irq", "IgnoreSelected"};
 static int config_keys_num = STATIC_ARRAY_SIZE(config_keys);
 
-static ignorelist_t *ignorelist = NULL;
+static ignorelist_t *ignorelist;
 
 /*
  * Private functions
@@ -54,10 +54,10 @@ static int irq_config(const char *key, const char *value) {
       invert = 0;
     ignorelist_set_invert(ignorelist, invert);
   } else {
-    return (-1);
+    return -1;
   }
 
-  return (0);
+  return 0;
 }
 
 static void irq_submit(const char *irq_name, derive_t value) {
@@ -90,10 +90,8 @@ static int irq_read(void) {
    */
   fh = fopen("/proc/interrupts", "r");
   if (fh == NULL) {
-    char errbuf[1024];
-    ERROR("irq plugin: fopen (/proc/interrupts): %s",
-          sstrerror(errno, errbuf, sizeof(errbuf)));
-    return (-1);
+    ERROR("irq plugin: fopen (/proc/interrupts): %s", STRERRNO);
+    return -1;
   }
 
   /* Get CPU count from the first line */
@@ -103,7 +101,7 @@ static int irq_read(void) {
     ERROR("irq plugin: unable to get CPU count from first line "
           "of /proc/interrupts");
     fclose(fh);
-    return (-1);
+    return -1;
   }
 
   while (fgets(buffer, sizeof(buffer), fh) != NULL) {
@@ -165,7 +163,7 @@ static int irq_read(void) {
 
   fclose(fh);
 
-  return (0);
+  return 0;
 } /* int irq_read */
 
 void module_register(void) {