Move __set_special_pids() from exit.c to sys.c close to its
single caller and make it static.
And rename it to set_special_pids(), another helper with this
name has gone away.
Signed-off-by: Oleg Nesterov <o...@redhat.com>
---
include/linux/sched.h | 2 --
kernel/exit.c | 11 -----------
kernel/sys.c | 13 ++++++++++++-
3 files changed, 12 insertions(+), 14 deletions(-)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index ce51dfd..253cb37 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1955,8 +1955,6 @@ extern struct task_struct *find_task_by_vpid(pid_t nr);
extern struct task_struct *find_task_by_pid_ns(pid_t nr,
struct pid_namespace *ns);
-extern void __set_special_pids(struct pid *pid);
-
/* per-UID process charging. */
extern struct user_struct * alloc_uid(kuid_t);
static inline struct user_struct *get_uid(struct user_struct *u)
diff --git a/kernel/exit.c b/kernel/exit.c
index af2eb3c..0ae87b5 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -312,17 +312,6 @@ kill_orphaned_pgrp(struct task_struct *tsk, struct
task_struct *parent)
}
}
-void __set_special_pids(struct pid *pid)
-{
- struct task_struct *curr = current->group_leader;
-
- if (task_session(curr) != pid)
- change_pid(curr, PIDTYPE_SID, pid);
-
- if (task_pgrp(curr) != pid)
- change_pid(curr, PIDTYPE_PGID, pid);
-}
-
/*
* Let kernel threads use this to say that they allow a certain signal.
* Must not be used if kthread was cloned with CLONE_SIGHAND.
diff --git a/kernel/sys.c b/kernel/sys.c
index b95d3c7..50f8677 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1286,6 +1286,17 @@ out:
return retval;
}
+static void set_special_pids(struct pid *pid)
+{
+ struct task_struct *curr = current->group_leader;
+
+ if (task_session(curr) != pid)
+ change_pid(curr, PIDTYPE_SID, pid);
+
+ if (task_pgrp(curr) != pid)
+ change_pid(curr, PIDTYPE_PGID, pid);
+}
+
SYSCALL_DEFINE0(setsid)
{
struct task_struct *group_leader = current->group_leader;
@@ -1305,7 +1316,7 @@ SYSCALL_DEFINE0(setsid)
goto out;
group_leader->signal->leader = 1;
- __set_special_pids(sid);
+ set_special_pids(sid);
proc_clear_tty(group_leader);
--
1.5.5.1
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