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)