Return -1 in zone_read on error

diff --git a/src/zone.c b/src/zone.c
index 6a01b29..52dd977 100644 (file)
--- a/src/zone.c
+++ b/src/zone.c
@@ -183,7 +183,7 @@ static int zone_read (void)
 
        if ((procdir = opendir("/proc")) == NULL) {
                ERROR("zone plugin: cannot open /proc directory\n");
-               exit(1);
+               return (-1);
        }
 
        tree=zone_scandir(procdir);