Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932745AbaGUOF6 (ORCPT ); Mon, 21 Jul 2014 10:05:58 -0400 Received: from mail.sigma-star.at ([95.130.255.111]:14396 "EHLO mail.sigma-star.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932640AbaGUOE0 (ORCPT ); Mon, 21 Jul 2014 10:04:26 -0400 From: Richard Weinberger To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Richard Weinberger , dhowells@redhat.com, yasutake.koichi@jp.panasonic.com, linux-am33-list@redhat.com Subject: [PATCH 41/43] mn10300: Use sigsp() Date: Mon, 21 Jul 2014 16:03:27 +0200 Message-Id: <1405951409-16953-42-git-send-email-richard@sigma-star.at> X-Mailer: git-send-email 1.8.4.5 In-Reply-To: <1405951409-16953-1-git-send-email-richard@sigma-star.at> References: <1405951409-16953-1-git-send-email-richard@sigma-star.at> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Richard Weinberger Use sigsp() instead of the open coded variant. Signed-off-by: Richard Weinberger --- arch/mn10300/kernel/signal.c | 17 ++++------------- 1 file changed, 4 insertions(+), 13 deletions(-) diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c index 0c97202..a6c0858 100644 --- a/arch/mn10300/kernel/signal.c +++ b/arch/mn10300/kernel/signal.c @@ -186,20 +186,11 @@ static int setup_sigcontext(struct sigcontext __user *sc, /* * determine which stack to use.. */ -static inline void __user *get_sigframe(struct k_sigaction *ka, +static inline void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs, size_t frame_size) { - unsigned long sp; - - /* default to using normal stack */ - sp = regs->sp; - - /* this is the X/Open sanctioned signal stack switching. */ - if (ka->sa.sa_flags & SA_ONSTACK) { - if (sas_ss_flags(sp) == 0) - sp = current->sas_ss_sp + current->sas_ss_size; - } + unsigned long sp = sigsp(regs->sp, ksig); return (void __user *) ((sp - frame_size) & ~7UL); } @@ -213,7 +204,7 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set, struct sigframe __user *frame; int rsig, sig = ksig->sig; - frame = get_sigframe(&ksig->ka, regs, sizeof(*frame)); + frame = get_sigframe(ksig, regs, sizeof(*frame)); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) return -EFAULT; @@ -281,7 +272,7 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct rt_sigframe __user *frame; int rsig, sig = ksig->sig; - frame = get_sigframe(&ksig->ka, regs, sizeof(*frame)); + frame = get_sigframe(ksig, regs, sizeof(*frame)); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) return -EFAULT; -- 1.8.4.5 -- 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/