From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DE4E3C433EF for ; Mon, 20 Jun 2022 18:27:27 +0000 (UTC) Received: from localhost ([::1]:48680 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o3M7S-0000jU-PP for qemu-devel@archiver.kernel.org; Mon, 20 Jun 2022 14:27:26 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43972) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o3LdI-0002s1-5B for qemu-devel@nongnu.org; Mon, 20 Jun 2022 13:56:18 -0400 Received: from mail-pf1-x42a.google.com ([2607:f8b0:4864:20::42a]:38885) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1o3LdG-00022D-Fu for qemu-devel@nongnu.org; Mon, 20 Jun 2022 13:56:15 -0400 Received: by mail-pf1-x42a.google.com with SMTP id w6so3709175pfw.5 for ; Mon, 20 Jun 2022 10:56:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=VPMml4Tfq67+y3oqJMSmdBs/iUTANF8r3DziFKMfYRY=; b=OnOsZpuOIc0wPZnhT2ygJ9mo87qkK5Lfy5UziUhuOwSTqhd43aGqNNp3h73tL5BEKJ 3gsIMCZa/XAvQZIl2yRrDn+/wOo3ei61oCQTuxNdedZMxTq6ZFmWpry+or46XGNNcYAs LOUtVH9Lg5VAo+KAqu4rp8Zvti/lnIUFiR2Wdvwmyi1T9PVeqAME/xuYHdBf9ngNpSP5 cg8diQhmfvHXXKC6hFY07NoRKBSlYw1S/9hPBW83bGKIfowKKTTBg2hHZUVsjScuWcfF gRaaSo72DM+vC5a85idxojSSISOQgECtzbI8AVYIKmZTSmazV1Md5BkC/tkEit77PwAD lClQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=VPMml4Tfq67+y3oqJMSmdBs/iUTANF8r3DziFKMfYRY=; b=UA1ialTxjbqkvj+Dc60NC2OwebJI/b6KQxH4WsB7tgnLcbyklw+sSfDckXe0rJBZaY 52JxzxACTGNayRf+RaNA4NWyJkyJ5zeEKe1XtTmc53P/IydwAEDjCJLr8ZovUClW5l6D vgefYowkGUipJiAcDCtgz5Q5lwrSUY43KR4lhTjjiBu6m0xZ6bQeDXEg9Fbs26CRIZTQ I4d+GAEXbGGAVv7y2wuIYUnEVadPjaf/9+HOe+dObTAbalb2v0dJVXM/cIYDeluWpSwU WXQ9Q2DRWYefRpjfqUopIBXZXtAm3D2ZuhFXHXEfB3QpZlPQyCvze6Uo2y4GwnL5QnhV GuLA== X-Gm-Message-State: AJIora/Wp+K4boumIgPYHirGvHKTD68Lgxe8q2FkdyOtJVkWmX9Yq0X2 9yZQ9wETDFwFEYMEkJxnqLT+RTNqvAQbqw== X-Google-Smtp-Source: AGRyM1sC7Cu0imaurkyYGMyMnqZllAc8Ti60ydoFOFhfwMUT/TBIye82XhyKnaRr6o1MXTIvBHxC2w== X-Received: by 2002:a63:484c:0:b0:408:a75e:c44a with SMTP id x12-20020a63484c000000b00408a75ec44amr22916555pgk.363.1655747773160; Mon, 20 Jun 2022 10:56:13 -0700 (PDT) Received: from stoup.. ([2602:47:d49e:3c01:a3e0:8a80:7b85:aea6]) by smtp.gmail.com with ESMTPSA id z14-20020aa7990e000000b00525184bad54sm3850474pff.126.2022.06.20.10.56.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Jun 2022 10:56:12 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH v3 42/51] linux-user/aarch64: Tidy target_restore_sigframe error return Date: Mon, 20 Jun 2022 10:52:26 -0700 Message-Id: <20220620175235.60881-43-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220620175235.60881-1-richard.henderson@linaro.org> References: <20220620175235.60881-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::42a; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Fold the return value setting into the goto, so each point of failure need not do both. Signed-off-by: Richard Henderson --- linux-user/aarch64/signal.c | 26 +++++++++++--------------- 1 file changed, 11 insertions(+), 15 deletions(-) diff --git a/linux-user/aarch64/signal.c b/linux-user/aarch64/signal.c index 3cef2f44cf..8b352abb97 100644 --- a/linux-user/aarch64/signal.c +++ b/linux-user/aarch64/signal.c @@ -287,7 +287,6 @@ static int target_restore_sigframe(CPUARMState *env, struct target_sve_context *sve = NULL; uint64_t extra_datap = 0; bool used_extra = false; - bool err = false; int vq = 0, sve_size = 0; target_restore_general_frame(env, sf); @@ -301,8 +300,7 @@ static int target_restore_sigframe(CPUARMState *env, switch (magic) { case 0: if (size != 0) { - err = true; - goto exit; + goto err; } if (used_extra) { ctx = NULL; @@ -314,8 +312,7 @@ static int target_restore_sigframe(CPUARMState *env, case TARGET_FPSIMD_MAGIC: if (fpsimd || size != sizeof(struct target_fpsimd_context)) { - err = true; - goto exit; + goto err; } fpsimd = (struct target_fpsimd_context *)ctx; break; @@ -329,13 +326,11 @@ static int target_restore_sigframe(CPUARMState *env, break; } } - err = true; - goto exit; + goto err; case TARGET_EXTRA_MAGIC: if (extra || size != sizeof(struct target_extra_context)) { - err = true; - goto exit; + goto err; } __get_user(extra_datap, &((struct target_extra_context *)ctx)->datap); @@ -348,8 +343,7 @@ static int target_restore_sigframe(CPUARMState *env, /* Unknown record -- we certainly didn't generate it. * Did we in fact get out of sync? */ - err = true; - goto exit; + goto err; } ctx = (void *)ctx + size; } @@ -358,17 +352,19 @@ static int target_restore_sigframe(CPUARMState *env, if (fpsimd) { target_restore_fpsimd_record(env, fpsimd); } else { - err = true; + goto err; } /* SVE data, if present, overwrites FPSIMD data. */ if (sve) { target_restore_sve_record(env, sve, vq); } - - exit: unlock_user(extra, extra_datap, 0); - return err; + return 0; + + err: + unlock_user(extra, extra_datap, 0); + return 1; } static abi_ulong get_sigframe(struct target_sigaction *ka, -- 2.34.1