File 0028-udev-re-initialize-builtins-in-the-daemon-process-no.patch of Package udev

From 7781e063e8e9d3e92e4e158e1588b885808cda24 Mon Sep 17 00:00:00 2001
From: Kay Sievers <kay@vrfy.org>
Date: Wed, 8 Aug 2012 16:27:11 +0200
Subject: [PATCH] udev: re-initialize builtins in the daemon process, not in
 the worker

Index: udev-182/src/udev-builtin-kmod.c
===================================================================
--- udev-182.orig/src/udev-builtin-kmod.c
+++ udev-182/src/udev-builtin-kmod.c
@@ -23,6 +23,7 @@
 #include <stdarg.h>
 #include <unistd.h>
 #include <string.h>
+#include <assert.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/stat.h>
@@ -39,6 +40,8 @@ static int load_module(struct udev *udev
         struct kmod_list *l;
         int err;
 
+        assert(ctx);
+
         err = kmod_module_new_from_lookup(ctx, alias, &list);
         if (err < 0)
                 return err;
@@ -76,16 +79,6 @@ static int builtin_kmod(struct udev_devi
         struct udev *udev = udev_device_get_udev(dev);
         int i;
 
-        if (!ctx) {
-                ctx = kmod_new(NULL, NULL);
-                if (!ctx)
-                        return -ENOMEM;
-
-                info(udev, "load module index\n");
-                kmod_set_log_fn(ctx, udev_kmod_log, udev);
-                kmod_load_resources(ctx);
-        }
-
         if (argc < 3 || strcmp(argv[1], "load")) {
                 err(udev, "expect: %s load <module>\n", argv[0]);
                 return EXIT_FAILURE;
@@ -99,7 +92,7 @@ static int builtin_kmod(struct udev_devi
         return EXIT_SUCCESS;
 }
 
-/* called at udev startup */
+/* called at udev startup and reload */
 static int builtin_kmod_init(struct udev *udev)
 {
         if (ctx)
@@ -126,9 +119,9 @@ static void builtin_kmod_exit(struct ude
 static bool builtin_kmod_validate(struct udev *udev)
 {
         info(udev, "validate module index\n");
-        if (kmod_validate_resources(ctx) != KMOD_RESOURCES_OK)
-                return true;
-        return false;
+        if (!ctx)
+                return false;
+        return (kmod_validate_resources(ctx) != KMOD_RESOURCES_OK);
 }
 
 const struct udev_builtin udev_builtin_kmod = {
Index: udev-182/src/udev-builtin.c
===================================================================
--- udev-182.orig/src/udev-builtin.c
+++ udev-182/src/udev-builtin.c
@@ -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,
@@ -39,7 +41,10 @@ static const struct udev_builtin *builti
 int udev_builtin_init(struct udev *udev)
 {
         unsigned int i;
-        int err;
+        int err = 0;
+
+        if (initialized)
+                return 0;
 
         for (i = 0; i < ARRAY_SIZE(builtins); i++) {
                 if (builtins[i]->init) {
@@ -48,6 +53,8 @@ int udev_builtin_init(struct udev *udev)
                                 break;
                 }
         }
+
+        initialized = true;
         return err;
 }
 
@@ -55,9 +62,14 @@ void udev_builtin_exit(struct udev *udev
 {
         unsigned int i;
 
+        if (!initialized)
+                return;
+
         for (i = 0; i < ARRAY_SIZE(builtins); i++)
                 if (builtins[i]->exit)
                         builtins[i]->exit(udev);
+
+        initialized = false;
 }
 
 bool udev_builtin_validate(struct udev *udev)
Index: udev-182/src/udevd.c
===================================================================
--- udev-182.orig/src/udevd.c
+++ udev-182/src/udevd.c
@@ -1670,7 +1670,7 @@ int main(int argc, char *argv[])
                         worker_kill(udev, 0);
                         rules = udev_rules_unref(rules);
                         udev_builtin_exit(udev);
-                        reload = 0;
+                        reload = false;
                 }
 
                 /* event has finished */
@@ -1692,6 +1692,7 @@ int main(int argc, char *argv[])
 
                 /* start new events */
                 if (!udev_list_node_is_empty(&event_list) && !udev_exit && !stop_exec_queue) {
+                        udev_builtin_init(udev);
                         if (rules == NULL)
                                 rules = udev_rules_new(udev, resolve_names);
                         if (rules != NULL)
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