ptrace: mm_need_new_owner: use ->real_parent to search in the siblings
authorOleg Nesterov <oleg@redhat.com>
Wed, 17 Jun 2009 23:27:29 +0000 (16:27 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 18 Jun 2009 20:03:49 +0000 (13:03 -0700)
commitdea33cfd99022d82d923a0c6a3bd895fb6683fb2
tree889ea712abbbb8b8c220dd593383ec6f9ad15ffc
parent48597760fad3d6a3e30a14241a3ce5ccb1a0e9bc
ptrace: mm_need_new_owner: use ->real_parent to search in the siblings

"Search in the siblings" should use ->real_parent, not ->parent.  If the
task is traced then ->parent == tracer, while the task's parent is always
->real_parent.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kernel/exit.c