pids: __set_special_pids: use change_pid() helper
PATCH 3/4 pids: __set_special_pids: use change_pid() helper
Use change_pid() instead of detach_pid() + attach_pid() in __set_special_pids()
This way task_session() is not NULL in between.
Signed-off-by Oleg Nesterov <[email protected]>
kernel/exit.c renamed from kernel/exit.c~4_SETSID +2 -4
@@ -334,13 +334,11 @@ void __set_special_pids(struct pid *pid)pid_t nr =pid_nr (pid);if (task_session (curr) != pid) { -detach_pid (curr,PIDTYPE_SID ); -attach_pid (curr,PIDTYPE_SID , pid); +change_pid (curr,PIDTYPE_SID , pid);set_task_session (curr, nr); }if (task_pgrp (curr) != pid) { -detach_pid (curr,PIDTYPE_PGID ); -attach_pid (curr,PIDTYPE_PGID , pid); +change_pid (curr,PIDTYPE_PGID , pid);set_task_pgrp (curr, nr); } }