fs/exec.c:de_thread(): use change_pid() rather than detach_pid/attach_pid

de_thread() can use change_pid() instead of detach + attach.  This looks
better and this ensures that, say, next_thread() can never see a task with
->pid == NULL.

Signed-off-by: Oleg Nesterov <[email protected]>
Acked-by: "Eric W. Biederman" <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Pavel Emelyanov <[email protected]>
Cc: Sergey Dyasly <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

0 files changed, 0 insertions, 0 deletions