mm: add a basic debugging framework for memory initialisation

[sfrench/cifs-2.6.git] / kernel / user.c

diff --git a/kernel/user.c b/kernel/user.c
index debce602bfddd9f117ec5fb98ad0023176eb7f7b..865ecf57a09604cc1307407cc99f90c1cecc5309 100644 (file)
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -53,10 +53,6 @@ struct user_struct root_user = {
        .files          = ATOMIC_INIT(0),
        .sigpending     = ATOMIC_INIT(0),
        .locked_shm     = 0,
-#ifdef CONFIG_KEYS
-       .uid_keyring    = &root_user_keyring,
-       .session_keyring = &root_session_keyring,
-#endif
 #ifdef CONFIG_USER_SCHED
        .tg             = &init_task_group,
 #endif
@@ -388,7 +384,7 @@ void free_uid(struct user_struct *up)
                local_irq_restore(flags);
 }
 
-struct user_struct * alloc_uid(struct user_namespace *ns, uid_t uid)
+struct user_struct *alloc_uid(struct user_namespace *ns, uid_t uid)
 {
        struct hlist_head *hashent = uidhashentry(ns, uid);
        struct user_struct *up, *new;
@@ -403,29 +399,15 @@ struct user_struct * alloc_uid(struct user_namespace *ns, uid_t uid)
        spin_unlock_irq(&uidhash_lock);
 
        if (!up) {
-               new = kmem_cache_alloc(uid_cachep, GFP_KERNEL);
+               new = kmem_cache_zalloc(uid_cachep, GFP_KERNEL);
                if (!new)
                        goto out_unlock;
 
                new->uid = uid;
                atomic_set(&new->__count, 1);
-               atomic_set(&new->processes, 0);
-               atomic_set(&new->files, 0);
-               atomic_set(&new->sigpending, 0);
-#ifdef CONFIG_INOTIFY_USER
-               atomic_set(&new->inotify_watches, 0);
-               atomic_set(&new->inotify_devs, 0);
-#endif
-#ifdef CONFIG_POSIX_MQUEUE
-               new->mq_bytes = 0;
-#endif
-               new->locked_shm = 0;
-
-               if (alloc_uid_keyring(new, current) < 0)
-                       goto out_free_user;
 
                if (sched_create_user(new) < 0)
-                       goto out_put_keys;
+                       goto out_free_user;
 
                if (uids_user_create(new))
                        goto out_destoy_sched;
@@ -459,9 +441,6 @@ struct user_struct * alloc_uid(struct user_namespace *ns, uid_t uid)
 
 out_destoy_sched:
        sched_destroy_user(new);
-out_put_keys:
-       key_put(new->uid_keyring);
-       key_put(new->session_keyring);
 out_free_user:
        kmem_cache_free(uid_cachep, new);
 out_unlock: