Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932408Ab2BNLqt (ORCPT ); Tue, 14 Feb 2012 06:46:49 -0500 Received: from arkanian.console-pimps.org ([212.110.184.194]:57838 "EHLO arkanian.console-pimps.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932307Ab2BNLnz (ORCPT ); Tue, 14 Feb 2012 06:43:55 -0500 From: Matt Fleming To: linux-arch@vger.kernel.org Cc: Oleg Nesterov , Andrew Morton , linux-kernel@vger.kernel.org, Matt Fleming , Paul Mundt , linux-sh@vger.kernel.org Subject: [PATCH 30/40] sh: No need to reset handler if SA_ONESHOT Date: Tue, 14 Feb 2012 11:41:03 +0000 Message-Id: <1329219673-28711-31-git-send-email-matt@console-pimps.org> X-Mailer: git-send-email 1.7.4.4 In-Reply-To: <1329219673-28711-1-git-send-email-matt@console-pimps.org> References: <1329219673-28711-1-git-send-email-matt@console-pimps.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1953 Lines: 53 From: Matt Fleming get_signal_to_deliver() already resets the signal handler if SA_ONESHOT is set in ka->sa.sa_flags, there's no need to do it again in handle_signal(). Furthermore, because we were modifying ka->sa.sa_handler (which is a copy of sighand->action[]) instead of sighand->action[] the original code had no effect on signal delivery. Acked-by: Oleg Nesterov Cc: Paul Mundt Cc: linux-sh@vger.kernel.org Signed-off-by: Matt Fleming --- arch/sh/kernel/signal_32.c | 3 --- arch/sh/kernel/signal_64.c | 3 --- 2 files changed, 0 insertions(+), 6 deletions(-) diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c index a7a55ed..1055146 100644 --- a/arch/sh/kernel/signal_32.c +++ b/arch/sh/kernel/signal_32.c @@ -548,9 +548,6 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, else ret = setup_frame(sig, ka, oldset, regs); - if (ka->sa.sa_flags & SA_ONESHOT) - ka->sa.sa_handler = SIG_DFL; - if (ret == 0) { spin_lock_irq(¤t->sighand->siglock); sigorsets(¤t->blocked,¤t->blocked,&ka->sa.sa_mask); diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c index 6b5603f..7b9278d 100644 --- a/arch/sh/kernel/signal_64.c +++ b/arch/sh/kernel/signal_64.c @@ -734,9 +734,6 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, else ret = setup_frame(sig, ka, oldset, regs); - if (ka->sa.sa_flags & SA_ONESHOT) - ka->sa.sa_handler = SIG_DFL; - if (ret == 0) { spin_lock_irq(¤t->sighand->siglock); sigorsets(¤t->blocked,¤t->blocked,&ka->sa.sa_mask); -- 1.7.4.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/