freezer: prevent new tasks from inheriting TIF_FREEZE set

Tasks should go to the refrigerator only if explicitly requested to do that by
the freezer and not as a result of inheriting the TIF_FREEZE flag set from the
parent.  Make it happen.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Nigel Cunningham <nigel@nigel.suspend2.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Rafael J. Wysocki 2007-10-18 03:04:45 -07:00 committed by Linus Torvalds
parent 232b143280
commit 2e1318956c
1 changed files with 1 additions and 0 deletions

View File

@ -942,6 +942,7 @@ static inline void copy_flags(unsigned long clone_flags, struct task_struct *p)
if (!(clone_flags & CLONE_PTRACE))
p->ptrace = 0;
p->flags = new_flags;
clear_freeze_flag(p);
}
asmlinkage long sys_set_tid_address(int __user *tidptr)