Remove an obscure 'stop_count < 0' check in finish_stop().  The previous patch
made this case impossible.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: john stultz <johnstul@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
         * a group stop in progress and we are the last to stop,
         * report to the parent.  When ptraced, every thread reports itself.
         */
-       if (stop_count < 0 || (current->ptrace & PT_PTRACED))
+       if (current->ptrace & PT_PTRACED)
                to_self = 1;
        else if (stop_count == 0)
                to_self = 0;