target/linux/generic-2.6/patches-2.6.25/213-kobject_uevent.patch

   1 Index: linux-2.6.25.1/lib/kobject_uevent.c
   2 ===================================================================
   3 --- linux-2.6.25.1.orig/lib/kobject_uevent.c
   4 +++ linux-2.6.25.1/lib/kobject_uevent.c
   5 @@ -27,7 +27,8 @@ u64 uevent_seqnum;
   6  char uevent_helper[UEVENT_HELPER_PATH_LEN] = CONFIG_UEVENT_HELPER_PATH;
   7  static DEFINE_SPINLOCK(sequence_lock);
   8  #if defined(CONFIG_NET)
   9 -static struct sock *uevent_sock;
  10 +struct sock *uevent_sock = NULL;
  11 +EXPORT_SYMBOL_GPL(uevent_sock);
  12  #endif
  13
  14  /* the strings here must match the enum in include/linux/kobject.h */
  15 @@ -40,6 +41,18 @@ static const char *kobject_actions[] = {
  16         [KOBJ_OFFLINE] =        "offline",
  17  };
  18
  19 +u64 uevent_next_seqnum(void)
  20 +{
  21 +       u64 seq;
  22 +
  23 +       spin_lock(&sequence_lock);
  24 +       seq = ++uevent_seqnum;
  25 +       spin_unlock(&sequence_lock);
  26 +
  27 +       return seq;
  28 +}
  29 +EXPORT_SYMBOL_GPL(uevent_next_seqnum);
  30 +
  31  /**
  32   * kobject_action_type - translate action string to numeric type
  33   *
  34 @@ -192,9 +205,7 @@ int kobject_uevent_env(struct kobject *k
  35                 kobj->state_remove_uevent_sent = 1;
  36
  37         /* we will send an event, so request a new sequence number */
  38 -       spin_lock(&sequence_lock);
  39 -       seq = ++uevent_seqnum;
  40 -       spin_unlock(&sequence_lock);
  41 +       seq = uevent_next_seqnum();
  42         retval = add_uevent_var(env, "SEQNUM=%llu", (unsigned long long)seq);
  43         if (retval)
  44                 goto exit;