pidns: remove unused is_container_init()
Since commit 1cdcbec1a3
("CRED: Neuter sys_capset()")
is_container_init() has no callers.
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Cc: David Howells <dhowells@redhat.com>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Cc: James Morris <jmorris@namei.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
parent
d740269867
commit
a5ba911ec3
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@ -1778,12 +1778,6 @@ static inline int is_global_init(struct task_struct *tsk)
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return tsk->pid == 1;
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return tsk->pid == 1;
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}
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}
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/*
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* is_container_init:
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* check whether in the task is init in its own pid namespace.
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*/
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extern int is_container_init(struct task_struct *tsk);
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extern struct pid *cad_pid;
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extern struct pid *cad_pid;
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extern void free_task(struct task_struct *tsk);
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extern void free_task(struct task_struct *tsk);
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15
kernel/pid.c
15
kernel/pid.c
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@ -81,21 +81,6 @@ struct pid_namespace init_pid_ns = {
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};
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};
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EXPORT_SYMBOL_GPL(init_pid_ns);
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EXPORT_SYMBOL_GPL(init_pid_ns);
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int is_container_init(struct task_struct *tsk)
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{
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int ret = 0;
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struct pid *pid;
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rcu_read_lock();
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pid = task_pid(tsk);
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if (pid != NULL && pid->numbers[pid->level].nr == 1)
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ret = 1;
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rcu_read_unlock();
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return ret;
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}
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EXPORT_SYMBOL(is_container_init);
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/*
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/*
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* Note: disable interrupts while the pidmap_lock is held as an
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* Note: disable interrupts while the pidmap_lock is held as an
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* interrupt might come in and do read_lock(&tasklist_lock).
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* interrupt might come in and do read_lock(&tasklist_lock).
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