check_unshare_flags: kill the bogus CLONE_SIGHAND/sig->count check

[safe/jmp/linux-2.6] / kernel / fork.c

diff --git a/kernel/fork.c b/kernel/fork.c
index 7701470..40cd099 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1518,14 +1518,6 @@ static void check_unshare_flags(unsigned long *flags_ptr)
                *flags_ptr |= CLONE_SIGHAND;
 
        /*
-        * If unsharing signal handlers and the task was created
-        * using CLONE_THREAD, then must unshare the thread
-        */
-       if ((*flags_ptr & CLONE_SIGHAND) &&
-           (atomic_read(&current->signal->count) > 1))
-               *flags_ptr |= CLONE_THREAD;
-
-       /*
         * If unsharing namespace, must also unshare filesystem information.
         */
        if (*flags_ptr & CLONE_NEWNS)