[PATCH 3/4] signal: remove superflous try_to_freeze() loop in do_signal_stop()

[Tejun Heo <tj@kernel.org>]

do_signal_stop() is used only by get_signal_to_deliver() and after a
successful signal stop, it always calls try_to_freeze(), so the
try_to_freeze() loop around schedule() in do_signal_stop() is
superflous and confusing.  Remove it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Roland McGrath <roland@redhat.com>
---
 kernel/signal.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index fe004b5..0a6816a 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1781,9 +1781,7 @@ static int do_signal_stop(int signr)
 	}
 
 	/* Now we don't run again until woken by SIGCONT or SIGKILL */
-	do {
-		schedule();
-	} while (try_to_freeze());
+	schedule();
 
 	tracehook_finish_jctl();
 	current->exit_code = 0;
-- 
1.7.1