[Bluetooth] Add support for Canyon CN-BTU1 dongle
[pandora-kernel.git] / kernel / user.c
index d9deae4..6408c04 100644 (file)
@@ -105,15 +105,19 @@ void free_uid(struct user_struct *up)
 {
        unsigned long flags;
 
+       if (!up)
+               return;
+
        local_irq_save(flags);
-       if (up && atomic_dec_and_lock(&up->__count, &uidhash_lock)) {
+       if (atomic_dec_and_lock(&up->__count, &uidhash_lock)) {
                uid_hash_remove(up);
+               spin_unlock_irqrestore(&uidhash_lock, flags);
                key_put(up->uid_keyring);
                key_put(up->session_keyring);
                kmem_cache_free(uid_cachep, up);
-               spin_unlock(&uidhash_lock);
+       } else {
+               local_irq_restore(flags);
        }
-       local_irq_restore(flags);
 }
 
 struct user_struct * alloc_uid(uid_t uid)
@@ -136,7 +140,7 @@ struct user_struct * alloc_uid(uid_t uid)
                atomic_set(&new->processes, 0);
                atomic_set(&new->files, 0);
                atomic_set(&new->sigpending, 0);
-#ifdef CONFIG_INOTIFY
+#ifdef CONFIG_INOTIFY_USER
                atomic_set(&new->inotify_watches, 0);
                atomic_set(&new->inotify_devs, 0);
 #endif
@@ -144,7 +148,7 @@ struct user_struct * alloc_uid(uid_t uid)
                new->mq_bytes = 0;
                new->locked_shm = 0;
 
-               if (alloc_uid_keyring(new) < 0) {
+               if (alloc_uid_keyring(new, current) < 0) {
                        kmem_cache_free(uid_cachep, new);
                        return NULL;
                }