treewide: declare loop variable in loop expression

[collectd.git] / src / cgroups.c

diff --git a/src/cgroups.c b/src/cgroups.c
index 6d41972..3a59ec4 100644 (file)
--- a/src/cgroups.c
+++ b/src/cgroups.c
@@ -22,6 +22,7 @@
  **/
 
 #include "collectd.h"
+
 #include "common.h"
 #include "plugin.h"
 #include "configfile.h"
@@ -206,18 +207,16 @@ static int cgroups_config (const char *key, const char *value)
 
 static int cgroups_read (void)
 {
-       cu_mount_t *mnt_list;
-       cu_mount_t *mnt_ptr;
+       cu_mount_t *mnt_list = NULL;
        _Bool cgroup_found = 0;
 
-       mnt_list = NULL;
        if (cu_mount_getlist (&mnt_list) == NULL)
        {
                ERROR ("cgroups plugin: cu_mount_getlist failed.");
                return (-1);
        }
 
-       for (mnt_ptr = mnt_list; mnt_ptr != NULL; mnt_ptr = mnt_ptr->next)
+       for (cu_mount_t *mnt_ptr = mnt_list; mnt_ptr != NULL; mnt_ptr = mnt_ptr->next)
        {
                /* Find the cgroup mountpoint which contains the cpuacct
                 * controller. */