Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933009AbaGUOOI (ORCPT ); Mon, 21 Jul 2014 10:14:08 -0400 Received: from mail.sigma-star.at ([95.130.255.111]:14395 "EHLO mail.sigma-star.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932489AbaGUOEE (ORCPT ); Mon, 21 Jul 2014 10:04:04 -0400 From: Richard Weinberger To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Richard Weinberger , geert@linux-m68k.org, linux-m68k@vger.kernel.org Subject: [PATCH 11/43] m68k: Use get_signal() signal_setup_done() Date: Mon, 21 Jul 2014 16:02:57 +0200 Message-Id: <1405951409-16953-12-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 the more generic functions get_signal() signal_setup_done() for signal delivery. Signed-off-by: Richard Weinberger --- arch/m68k/kernel/signal.c | 63 ++++++++++++++++++----------------------------- 1 file changed, 24 insertions(+), 39 deletions(-) diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c index 57fd286..c8e6fa8 100644 --- a/arch/m68k/kernel/signal.c +++ b/arch/m68k/kernel/signal.c @@ -850,23 +850,23 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size) return (void __user *)((usp - frame_size) & -8UL); } -static int setup_frame (int sig, struct k_sigaction *ka, - sigset_t *set, struct pt_regs *regs) +static int setup_frame(struct ksignal *ksig, sigset_t *set, + struct pt_regs *regs) { struct sigframe __user *frame; int fsize = frame_extra_sizes(regs->format); struct sigcontext context; - int err = 0; + int err = 0, sig = ksig->sig; if (fsize < 0) { #ifdef DEBUG printk ("setup_frame: Unknown frame format %#x\n", regs->format); #endif - goto give_sigsegv; + return -EFAULT; } - frame = get_sigframe(ka, regs, sizeof(*frame) + fsize); + frame = get_sigframe(&ksig->ka, regs, sizeof(*frame) + fsize); if (fsize) err |= copy_to_user (frame + 1, regs + 1, fsize); @@ -899,7 +899,7 @@ static int setup_frame (int sig, struct k_sigaction *ka, #endif if (err) - goto give_sigsegv; + return -EFAULT; push_cache ((unsigned long) &frame->retcode); @@ -908,7 +908,7 @@ static int setup_frame (int sig, struct k_sigaction *ka, * to destroy is successfully copied to sigframe. */ wrusp ((unsigned long) frame); - regs->pc = (unsigned long) ka->sa.sa_handler; + regs->pc = (unsigned long) ksig->ka.sa.sa_handler; adjustformat(regs); /* @@ -934,28 +934,24 @@ static int setup_frame (int sig, struct k_sigaction *ka, tregs->sr = regs->sr; } return 0; - -give_sigsegv: - force_sigsegv(sig, current); - return err; } -static int setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *set, struct pt_regs *regs) +static int setup_rt_frame(struct ksignal *ksig, sigset_t *set, + struct pt_regs *regs) { struct rt_sigframe __user *frame; int fsize = frame_extra_sizes(regs->format); - int err = 0; + int err = 0, sig = ksig->sig; if (fsize < 0) { #ifdef DEBUG printk ("setup_frame: Unknown frame format %#x\n", regs->format); #endif - goto give_sigsegv; + return -EFAULT; } - frame = get_sigframe(ka, regs, sizeof(*frame)); + frame = get_sigframe(&ksig->ka, regs, sizeof(*frame)); if (fsize) err |= copy_to_user (&frame->uc.uc_extra, regs + 1, fsize); @@ -968,7 +964,7 @@ static int setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, &frame->sig); err |= __put_user(&frame->info, &frame->pinfo); err |= __put_user(&frame->uc, &frame->puc); - err |= copy_siginfo_to_user(&frame->info, info); + err |= copy_siginfo_to_user(&frame->info, &ksig->info); /* Create the ucontext. */ err |= __put_user(0, &frame->uc.uc_flags); @@ -996,7 +992,7 @@ static int setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, #endif /* CONFIG_MMU */ if (err) - goto give_sigsegv; + return -EFAULT; push_cache ((unsigned long) &frame->retcode); @@ -1005,7 +1001,7 @@ static int setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, * to destroy is successfully copied to sigframe. */ wrusp ((unsigned long) frame); - regs->pc = (unsigned long) ka->sa.sa_handler; + regs->pc = (unsigned long) ksig->ka.sa.sa_handler; adjustformat(regs); /* @@ -1031,10 +1027,6 @@ static int setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, tregs->sr = regs->sr; } return 0; - -give_sigsegv: - force_sigsegv(sig, current); - return err; } static inline void @@ -1074,26 +1066,22 @@ handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler) * OK, we're invoking a handler */ static void -handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info, - struct pt_regs *regs) +handle_signal(struct ksignal *ksig, struct pt_regs *regs) { sigset_t *oldset = sigmask_to_save(); int err; /* are we from a system call? */ if (regs->orig_d0 >= 0) /* If so, check system call restarting.. */ - handle_restart(regs, ka, 1); + handle_restart(regs, &ksig->ka, 1); /* set up the stack frame */ - if (ka->sa.sa_flags & SA_SIGINFO) - err = setup_rt_frame(sig, ka, info, oldset, regs); + if (ksig->ka.sa.sa_flags & SA_SIGINFO) + err = setup_rt_frame(ksig, oldset, regs); else - err = setup_frame(sig, ka, oldset, regs); - - if (err) - return; + err = setup_frame(ksig, oldset, regs); - signal_delivered(sig, info, ka, regs, 0); + signal_setup_done(err, ksig, 0); if (test_thread_flag(TIF_DELAYED_TRACE)) { regs->sr &= ~0x8000; @@ -1108,16 +1096,13 @@ handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info, */ static void do_signal(struct pt_regs *regs) { - siginfo_t info; - struct k_sigaction ka; - int signr; + struct ksignal ksig; current->thread.esp0 = (unsigned long) regs; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); - if (signr > 0) { + if (get_signal(&ksig)) { /* Whee! Actually deliver the signal. */ - handle_signal(signr, &ka, &info, regs); + handle_signal(&ksig, regs); return; } -- 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/