CRED: Detach the credentials from task_struct

Detach the credentials from task_struct, duplicating them in copy_process()
and releasing them in __put_task_struct().

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: James Morris <jmorris@namei.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 1 insertions, 15 deletions

diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 9de41ccd67b5..5e24c54b6dfd 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -115,19 +115,6 @@ extern struct group_info init_groups;
 
 extern struct cred init_cred;
 
-#define INIT_CRED(p)                                            \
-{                                                               \
-        .usage                  = ATOMIC_INIT(3),               \
-        .securebits             = SECUREBITS_DEFAULT,           \
-        .cap_inheritable        = CAP_INIT_INH_SET,             \
-        .cap_permitted          = CAP_FULL_SET,                 \
-        .cap_effective          = CAP_INIT_EFF_SET,             \
-        .cap_bset               = CAP_INIT_BSET,                \
-        .user                   = INIT_USER,                    \
-        .group_info             = &init_groups,                 \
-        .lock                   = __SPIN_LOCK_UNLOCKED(p.lock), \
-}
-
 /*
  *  INIT_TASK is used to set up the first task table, touch at
  * your own risk!. Base=0, limit=0x1fffff (=2MB)
@@ -162,8 +149,7 @@ extern struct cred init_cred;
         .children       = LIST_HEAD_INIT(tsk.children),                 \
         .sibling        = LIST_HEAD_INIT(tsk.sibling),                  \
         .group_leader   = &tsk,                                         \
-        .__temp_cred    = INIT_CRED(tsk.__temp_cred),                   \
-        .cred           = &tsk.__temp_cred,                             \
+        .cred           = &init_cred,                                   \
         .comm           = "swapper",                                    \
         .thread         = INIT_THREAD,                                  \
         .fs             = &init_fs,                                     \