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-rw-r--r--include/linux/sched.h2
-rw-r--r--kernel/exit.c11
-rw-r--r--kernel/sys.c13
3 files changed, 12 insertions, 14 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index ec80684a0127..cdd5407b37e2 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1950,8 +1950,6 @@ extern struct task_struct *find_task_by_vpid(pid_t nr);
1950extern struct task_struct *find_task_by_pid_ns(pid_t nr, 1950extern struct task_struct *find_task_by_pid_ns(pid_t nr,
1951 struct pid_namespace *ns); 1951 struct pid_namespace *ns);
1952 1952
1953extern void __set_special_pids(struct pid *pid);
1954
1955/* per-UID process charging. */ 1953/* per-UID process charging. */
1956extern struct user_struct * alloc_uid(kuid_t); 1954extern struct user_struct * alloc_uid(kuid_t);
1957static inline struct user_struct *get_uid(struct user_struct *u) 1955static inline struct user_struct *get_uid(struct user_struct *u)
diff --git a/kernel/exit.c b/kernel/exit.c
index 7bb73f9d09db..3a77cd9390a1 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -312,17 +312,6 @@ kill_orphaned_pgrp(struct task_struct *tsk, struct task_struct *parent)
312 } 312 }
313} 313}
314 314
315void __set_special_pids(struct pid *pid)
316{
317 struct task_struct *curr = current->group_leader;
318
319 if (task_session(curr) != pid)
320 change_pid(curr, PIDTYPE_SID, pid);
321
322 if (task_pgrp(curr) != pid)
323 change_pid(curr, PIDTYPE_PGID, pid);
324}
325
326/* 315/*
327 * Let kernel threads use this to say that they allow a certain signal. 316 * Let kernel threads use this to say that they allow a certain signal.
328 * Must not be used if kthread was cloned with CLONE_SIGHAND. 317 * Must not be used if kthread was cloned with CLONE_SIGHAND.
diff --git a/kernel/sys.c b/kernel/sys.c
index 7bf50dcc6d53..071de900c824 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1309,6 +1309,17 @@ out:
1309 return retval; 1309 return retval;
1310} 1310}
1311 1311
1312static void set_special_pids(struct pid *pid)
1313{
1314 struct task_struct *curr = current->group_leader;
1315
1316 if (task_session(curr) != pid)
1317 change_pid(curr, PIDTYPE_SID, pid);
1318
1319 if (task_pgrp(curr) != pid)
1320 change_pid(curr, PIDTYPE_PGID, pid);
1321}
1322
1312SYSCALL_DEFINE0(setsid) 1323SYSCALL_DEFINE0(setsid)
1313{ 1324{
1314 struct task_struct *group_leader = current->group_leader; 1325 struct task_struct *group_leader = current->group_leader;
@@ -1328,7 +1339,7 @@ SYSCALL_DEFINE0(setsid)
1328 goto out; 1339 goto out;
1329 1340
1330 group_leader->signal->leader = 1; 1341 group_leader->signal->leader = 1;
1331 __set_special_pids(sid); 1342 set_special_pids(sid);
1332 1343
1333 proc_clear_tty(group_leader); 1344 proc_clear_tty(group_leader);
1334 1345