tomoyo: Swicth from cred->security to task_struct->security.

TOMOYO security module is designed to use "struct task_struct"->security
in order to allow per "struct task_struct" tracking without being disturbed
by unable to update "struct cred"->security due to override mechanism.

Now that infrastructure-managed security blob is ready, this patch updates
TOMOYO to use "struct task_struct"->security.

Signed-off-by: Tetsuo Handa <[email protected]>
Signed-off-by: James Morris <[email protected]>
5 files changed