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| author | David S. Miller <davem@davemloft.net> | 2009-03-26 15:23:24 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-26 15:23:24 -0700 |
| commit | 08abe18af1f78ee80c3c3a5ac47c3e0ae0beadf6 (patch) | |
| tree | 2be39bf8942edca1bcec735145e144a682ca9cd3 /kernel/user.c | |
| parent | f0de70f8bb56952f6e016a65a8a8d006918f5bf6 (diff) | |
| parent | 0384e2959127a56d0640505d004d8dd92f9c29f5 (diff) | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
drivers/net/wimax/i2400m/usb-notif.c
Diffstat (limited to 'kernel/user.c')
| -rw-r--r-- | kernel/user.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/kernel/user.c b/kernel/user.c index 6a9b696128c..850e0ba41c1 100644 --- a/kernel/user.c +++ b/kernel/user.c @@ -20,7 +20,7 @@ struct user_namespace init_user_ns = { .kref = { - .refcount = ATOMIC_INIT(1), + .refcount = ATOMIC_INIT(2), }, .creator = &root_user, }; @@ -286,14 +286,12 @@ int __init uids_sysfs_init(void) /* work function to remove sysfs directory for a user and free up * corresponding structures. */ -static void remove_user_sysfs_dir(struct work_struct *w) +static void cleanup_user_struct(struct work_struct *w) { struct user_struct *up = container_of(w, struct user_struct, work); unsigned long flags; int remove_user = 0; - if (up->user_ns != &init_user_ns) - return; /* Make uid_hash_remove() + sysfs_remove_file() + kobject_del() * atomic. */ @@ -312,9 +310,11 @@ static void remove_user_sysfs_dir(struct work_struct *w) if (!remove_user) goto done; - kobject_uevent(&up->kobj, KOBJ_REMOVE); - kobject_del(&up->kobj); - kobject_put(&up->kobj); + if (up->user_ns == &init_user_ns) { + kobject_uevent(&up->kobj, KOBJ_REMOVE); + kobject_del(&up->kobj); + kobject_put(&up->kobj); + } sched_destroy_user(up); key_put(up->uid_keyring); @@ -335,7 +335,7 @@ static void free_user(struct user_struct *up, unsigned long flags) atomic_inc(&up->__count); spin_unlock_irqrestore(&uidhash_lock, flags); - INIT_WORK(&up->work, remove_user_sysfs_dir); + INIT_WORK(&up->work, cleanup_user_struct); schedule_work(&up->work); } |