X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fudev%2Fudev-builtin.c;h=7d89f22792ba25ceea1f6df364cfee6357b85edc;hb=84168d8068bb67dcd5468ab3b376535d81643aef;hp=b8cdc708bc2e63306a2b8ce6b3d48e0bfff0e4d7;hpb=8fef0ff25c9fd7e5bb99d66f43c6357e4996a3cc;p=elogind.git

diff --git a/src/udev/udev-builtin.c b/src/udev/udev-builtin.c
index b8cdc708b..7d89f2279 100644
--- a/src/udev/udev-builtin.c
+++ b/src/udev/udev-builtin.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 Kay Sievers <kay.sievers@vrfy.org>
+ * Copyright (C) 2007-2012 Kay Sievers <kay.sievers@vrfy.org>
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -25,6 +25,8 @@
 
 #include "udev.h"
 
+static bool initialized;
+
 static const struct udev_builtin *builtins[] = {
         [UDEV_BUILTIN_BLKID] = &udev_builtin_blkid,
         [UDEV_BUILTIN_FIRMWARE] = &udev_builtin_firmware,
@@ -42,7 +44,10 @@ static const struct udev_builtin *builtins[] = {
 int udev_builtin_init(struct udev *udev)
 {
         unsigned int i;
-        int err;
+        int err = 0;
+
+        if (initialized)
+                return 0;
 
         for (i = 0; i < ELEMENTSOF(builtins); i++) {
                 if (builtins[i]->init) {
@@ -51,6 +56,8 @@ int udev_builtin_init(struct udev *udev)
                                 break;
                 }
         }
+
+        initialized = true;
         return err;
 }
 
@@ -58,9 +65,14 @@ void udev_builtin_exit(struct udev *udev)
 {
         unsigned int i;
 
+        if (!initialized)
+                return;
+
         for (i = 0; i < ELEMENTSOF(builtins); i++)
                 if (builtins[i]->exit)
                         builtins[i]->exit(udev);
+
+        initialized = false;
 }
 
 bool udev_builtin_validate(struct udev *udev)