[PATCH] finish_stop: don't check stop_count < 0

Remove an obscure 'stop_count < 0' check in finish_stop(). The previous patch
made this case impossible.

Signed-off-by: Oleg Nesterov <[e-mail]>
Cc: john stultz <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

kernel/signal.c

···
 	 * 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;