From patchwork Wed Apr 23 13:11:54 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Riku Voipio X-Patchwork-Id: 341844 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 5CD5A140122 for ; Wed, 23 Apr 2014 23:12:55 +1000 (EST) Received: from localhost ([::1]:60837 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wcwyq-0002sW-RB for incoming@patchwork.ozlabs.org; Wed, 23 Apr 2014 09:12:52 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50020) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WcwyE-0001kk-DG for qemu-devel@nongnu.org; Wed, 23 Apr 2014 09:12:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Wcwy8-0001Ip-2R for qemu-devel@nongnu.org; Wed, 23 Apr 2014 09:12:14 -0400 Received: from afflict.kos.to ([92.243.29.197]:42796) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wcwy7-0001I3-Mn for qemu-devel@nongnu.org; Wed, 23 Apr 2014 09:12:08 -0400 Received: from localhost.localdomain (afflict [92.243.29.197]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by afflict.kos.to (Postfix) with ESMTPSA id CD653264D1 for ; Wed, 23 Apr 2014 15:12:05 +0200 (CEST) From: riku.voipio@linaro.org To: qemu-devel@nongnu.org Date: Wed, 23 Apr 2014 16:11:54 +0300 Message-Id: <748467b6cddce82822f2ac4cf2b36762c31f83f4.1398257165.git.riku.voipio@linaro.org> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: References: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 92.243.29.197 Subject: [Qemu-devel] [PATCH 03/13] signal.c: remove return value from copy_siginfo_to_user X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Riku Voipio Since copy_siginfo_to_user always returns 0, make it void and remove any checks for return value from calling functions. Signed-off-by: Riku Voipio --- linux-user/signal.c | 28 +++++++++------------------- 1 file changed, 9 insertions(+), 19 deletions(-) diff --git a/linux-user/signal.c b/linux-user/signal.c index f261383..4da9c26 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -721,11 +721,10 @@ int do_sigaction(int sig, const struct target_sigaction *act, return ret; } -static inline int copy_siginfo_to_user(target_siginfo_t *tinfo, +static inline void copy_siginfo_to_user(target_siginfo_t *tinfo, const target_siginfo_t *info) { tswap_siginfo(tinfo, info); - return 0; } static inline int current_exec_domain_sig(int sig) @@ -985,9 +984,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, __put_user(addr, &frame->pinfo); addr = frame_addr + offsetof(struct rt_sigframe, uc); __put_user(addr, &frame->puc); - err |= copy_siginfo_to_user(&frame->info, info); - if (err) - goto give_sigsegv; + copy_siginfo_to_user(&frame->info, info); /* Create the ucontext. */ __put_user(0, &frame->uc.tuc_flags); @@ -1362,9 +1359,7 @@ static void target_setup_frame(int usig, struct target_sigaction *ka, env->pc = ka->_sa_handler; env->xregs[30] = return_addr; if (info) { - if (copy_siginfo_to_user(&frame->info, info)) { - goto give_sigsegv; - } + copy_siginfo_to_user(&frame->info, info); env->xregs[1] = frame_addr + offsetof(struct target_rt_sigframe, info); env->xregs[2] = frame_addr + offsetof(struct target_rt_sigframe, uc); } @@ -3362,7 +3357,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, signal = current_exec_domain_sig(sig); - err |= copy_siginfo_to_user(&frame->info, info); + copy_siginfo_to_user(&frame->info, info); /* Create the ucontext. */ __put_user(0, &frame->uc.tuc_flags); @@ -4042,10 +4037,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, __put_user(uc_addr, &frame->puc); if (ka->sa_flags & SA_SIGINFO) { - err |= copy_siginfo_to_user(&frame->info, info); - } - if (err) { - goto give_sigsegv; + copy_siginfo_to_user(&frame->info, info); } /*err |= __clear_user(&frame->uc, offsetof(struct ucontext, uc_mcontext));*/ @@ -4305,9 +4297,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, } qemu_log("%s: 1\n", __FUNCTION__); - if (copy_siginfo_to_user(&frame->info, info)) { - goto give_sigsegv; - } + copy_siginfo_to_user(&frame->info, info); /* Create the ucontext. */ __put_user(0, &frame->uc.tuc_flags); @@ -4881,7 +4871,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, signal = current_exec_domain_sig(sig); - err |= copy_siginfo_to_user(&rt_sf->info, info); + copy_siginfo_to_user(&rt_sf->info, info); __put_user(0, &rt_sf->uc.tuc_flags); __put_user(0, &rt_sf->uc.tuc_link); @@ -5300,7 +5290,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, uc_addr = frame_addr + offsetof(struct target_rt_sigframe, uc); __put_user(uc_addr, &frame->puc); - err |= copy_siginfo_to_user(&frame->info, info); + copy_siginfo_to_user(&frame->info, info); /* Create the ucontext */ @@ -5586,7 +5576,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, goto give_sigsegv; } - err |= copy_siginfo_to_user(&frame->info, info); + copy_siginfo_to_user(&frame->info, info); __put_user(0, &frame->uc.tuc_flags); __put_user(0, &frame->uc.tuc_link);