turbostat: avoid potential unused variable
[collectd.git] / src / turbostat.c
index 6e0405d..2d8a08e 100644 (file)
@@ -1475,20 +1475,20 @@ static int
 check_permissions(void)
 {
 
-       int ret = 0;
-
        if (getuid() == 0) {
                /* We have everything we need */
                return 0;
-#ifndef HAVE_SYS_CAPABILITY_H
+#if !defined(HAVE_SYS_CAPABILITY_H) && !defined(CAP_SYS_RAWIO)
        } else {
                ERROR("turbostat plugin: Initialization failed: this plugin "
                      "requires collectd to run as root");
                return -1;
        }
-#else /* HAVE_SYS_CAPABILITY_H */
+#else /* HAVE_SYS_CAPABILITY_H && CAP_SYS_RAWIO */
        }
 
+       int ret = 0;
+
        if (check_capability(CAP_SYS_RAWIO) != 0) {
                WARNING("turbostat plugin: Collectd doesn't have the "
                        "CAP_SYS_RAWIO capability. If you don't want to run "
@@ -1511,7 +1511,7 @@ check_permissions(void)
                      "collectd a special capability (CAP_SYS_RAWIO) and read "
                       "access to /dev/cpu/*/msr (see previous warnings)");
        return ret;
-#endif /* HAVE_SYS_CAPABILITY_H */
+#endif /* HAVE_SYS_CAPABILITY_H && CAP_SYS_RAWIO */
 }
 
 static int