diff options
Diffstat (limited to 'include/linux/cred.h')
| -rw-r--r-- | include/linux/cred.h | 21 |
1 files changed, 1 insertions, 20 deletions
diff --git a/include/linux/cred.h b/include/linux/cred.h index 75c0fa88130..ce40cbc791e 100644 --- a/include/linux/cred.h +++ b/include/linux/cred.h @@ -153,6 +153,7 @@ struct cred { extern void __put_cred(struct cred *); extern void exit_creds(struct task_struct *); extern int copy_creds(struct task_struct *, unsigned long); +extern const struct cred *get_task_cred(struct task_struct *); extern struct cred *cred_alloc_blank(void); extern struct cred *prepare_creds(void); extern struct cred *prepare_exec_creds(void); @@ -282,26 +283,6 @@ static inline void put_cred(const struct cred *_cred) ((const struct cred *)(rcu_dereference_check((task)->real_cred, rcu_read_lock_held() || lockdep_tasklist_lock_is_held()))) /** - * get_task_cred - Get another task's objective credentials - * @task: The task to query - * - * Get the objective credentials of a task, pinning them so that they can't go - * away. Accessing a task's credentials directly is not permitted. - * - * The caller must make sure task doesn't go away, either by holding a ref on - * task or by holding tasklist_lock to prevent it from being unlinked. - */ -#define get_task_cred(task) \ -({ \ - struct cred *__cred; \ - rcu_read_lock(); \ - __cred = (struct cred *) __task_cred((task)); \ - get_cred(__cred); \ - rcu_read_unlock(); \ - __cred; \ -}) - -/** * get_current_cred - Get the current task's subjective credentials * * Get the subjective credentials of the current task, pinning them so that |