load plugin: Fix the Linux code that reads `/proc/loadavg'.

diff --git a/src/load.c b/src/load.c
index 5e1d9d3..22872f0 100644 (file)
--- a/src/load.c
+++ b/src/load.c
@@ -88,7 +88,7 @@ static int load_read (void)
                char errbuf[1024];
                WARNING ("load: fopen: %s",
                                sstrerror (errno, errbuf, sizeof (errbuf)));
-               return;
+               return (-1);
        }
 
        if (fgets (buffer, 16, loadavg) == NULL)
@@ -97,7 +97,7 @@ static int load_read (void)
                WARNING ("load: fgets: %s",
                                sstrerror (errno, errbuf, sizeof (errbuf)));
                fclose (loadavg);
-               return;
+               return (-1);
        }
 
        if (fclose (loadavg))
@@ -110,7 +110,7 @@ static int load_read (void)
        numfields = strsplit (buffer, fields, 8);
 
        if (numfields < 3)
-               return;
+               return (-1);
 
        snum = atof (fields[0]);
        mnum = atof (fields[1]);