halt/reboot/powerdown: accept and ignore -i

diff --git a/init/halt.c b/init/halt.c
index 62f93c5..3a23eca 100644 (file)
--- a/init/halt.c
+++ b/init/halt.c
@@ -63,9 +63,11 @@ int halt_main(int argc UNUSED_PARAM, char **argv)
 
        /* Parse and handle arguments */
        opt_complementary = "d+"; /* -d N */
-       /* We support -w even if !ENABLE_FEATURE_WTMP, in order
-        * to not break scripts */
-       flags = getopt32(argv, "d:nfw", &delay);
+       /* We support -w even if !ENABLE_FEATURE_WTMP,
+        * in order to not break scripts.
+        * -i (shut down network interfaces) is ignored.
+        */
+       flags = getopt32(argv, "d:nfwi", &delay);
 
        sleep(delay);
 
@@ -89,10 +91,12 @@ int halt_main(int argc UNUSED_PARAM, char **argv)
                        if (ENABLE_FEATURE_CLEAN_UP)
                                free(pidlist);
                }
-               if (rc)
+               if (rc) {
                        rc = kill(1, signals[which]);
-       } else
+               }
+       } else {
                rc = reboot(magic[which]);
+       }
 
        if (rc)
                bb_perror_nomsg_and_die();