target/linux/generic/patches-3.2/910-kobject_uevent.patch

   1 --- a/lib/kobject_uevent.c
   2 +++ b/lib/kobject_uevent.c
   3 @@ -49,6 +49,18 @@ static const char *kobject_actions[] = {
   4         [KOBJ_OFFLINE] =        "offline",
   5  };
   6
   7 +u64 uevent_next_seqnum(void)
   8 +{
   9 +       u64 seq;
  10 +
  11 +       spin_lock(&sequence_lock);
  12 +       seq = ++uevent_seqnum;
  13 +       spin_unlock(&sequence_lock);
  14 +
  15 +       return seq;
  16 +}
  17 +EXPORT_SYMBOL_GPL(uevent_next_seqnum);
  18 +
  19  /**
  20   * kobject_action_type - translate action string to numeric type
  21   *
  22 @@ -244,9 +256,7 @@ int kobject_uevent_env(struct kobject *k
  23                 kobj->state_remove_uevent_sent = 1;
  24
  25         /* we will send an event, so request a new sequence number */
  26 -       spin_lock(&sequence_lock);
  27 -       seq = ++uevent_seqnum;
  28 -       spin_unlock(&sequence_lock);
  29 +       seq = uevent_next_seqnum();
  30         retval = add_uevent_var(env, "SEQNUM=%llu", (unsigned long long)seq);
  31         if (retval)
  32                 goto exit;