[PATCH] remove unneeded sig->curr_target recalculation

This patch removes unneeded sig->curr_target recalculation under 'if
(atomic_dec_and_test(&sig->count))' in __exit_signal().

When sig->count == 0 the signal can't be sent to this task and
next_thread(tsk) == tsk anyway.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 0 insertions, 2 deletions

diff --git a/kernel/signal.c b/kernel/signal.c
index 114cf9209bcd..08aa5b263f36 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -364,8 +364,6 @@ void __exit_signal(struct task_struct *tsk)
         posix_cpu_timers_exit(tsk);
         if (atomic_dec_and_test(&sig->count)) {
                 posix_cpu_timers_exit_group(tsk);
-                if (tsk == sig->curr_target)
-                        sig->curr_target = next_thread(tsk);
                 tsk->signal = NULL;
                 __exit_sighand(tsk);
                 spin_unlock(&sighand->siglock);