From nobody Sun Sep 28 17:04:57 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1758776900; cv=none; d=zohomail.com; s=zohoarc; b=JWikYDUekvrIii7GgXS8lQha5STEvqXH0HVnT/pIyxVNPBn5/NS2DLUADQGo6Fq1IiEGJObabrcvdQf/GXQVvqx4a6bftJjPP6pPLghYP68JeuR5e1sU251NgMklZMEX8yNO8Hq6ifUW+4B8xodVamWP4H//N5q3goGkIDKVX+8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1758776900; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:Reply-To:References:Sender:Subject:Subject:To:To:Message-Id; bh=NIxoch8DlhScrkXiQt6Ual0DPjojEfS62oKilPpDPjA=; b=Xm9uY9/FpfecdACXLXmXYRvgAV0bZH2a7L8fdTEhd7IDWiJpeFSGWZMapi92UzdTqJighIY3fGANq0jXwhRUfZOm7uMTAt9rvMLT5ToCEXEIhX9Moj7SMXPoipe6zCM1F/fZ6O/PY9doo1D84AgZzhxBJM5/0+me2W0MjI4YZck= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1758776900875512.9868236901475; Wed, 24 Sep 2025 22:08:20 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1v1eCg-0000oz-87; Thu, 25 Sep 2025 01:07:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1v1eCe-0000oX-L5; Thu, 25 Sep 2025 01:07:36 -0400 Received: from mail.aspeedtech.com ([211.20.114.72] helo=TWMBX01.aspeed.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1v1eCV-00072D-5Y; Thu, 25 Sep 2025 01:07:34 -0400 Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Thu, 25 Sep 2025 13:05:37 +0800 Received: from mail.aspeedtech.com (192.168.10.10) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1748.10 via Frontend Transport; Thu, 25 Sep 2025 13:05:37 +0800 To: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Peter Maydell , Steven Lee , Troy Lee , Andrew Jeffery , "Joel Stanley" , "open list:ASPEED BMCs" , "open list:All patches CC here" CC: , Subject: [PATCH v3 5/8] hw/arm/aspeed_ast27x0-fc: Drop dead return checks Date: Thu, 25 Sep 2025 13:05:31 +0800 Message-ID: <20250925050535.2657256-6-jamin_lin@aspeedtech.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250925050535.2657256-1-jamin_lin@aspeedtech.com> References: <20250925050535.2657256-1-jamin_lin@aspeedtech.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=211.20.114.72; envelope-from=jamin_lin@aspeedtech.com; helo=TWMBX01.aspeed.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_FAIL=0.001, SPF_PASS=-0.001 autolearn=ham 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: , Reply-to: Jamin Lin From: Jamin Lin via Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1758776903165116600 Content-Type: text/plain; charset="utf-8" 1. object_property_set_link() can return false only when it fails, and it sets an error when it fails. Since passing &error_abort causes an abort, the function never returns false, and the return statement is effectively dead code. 2. object_property_set_int() is considered as a routine which shouldn't fai= l. So the common practice in models is to pass &error_abort and ignore the ret= urned value. https://patchwork.kernel.org/project/qemu-devel/patch/20250717034054.190399= 1-3-jamin_lin@aspeedtech.com/#26540626 No functional change. Signed-off-by: Jamin Lin Reviewed-by: C=C3=A9dric Le Goater --- hw/arm/aspeed_ast27x0-fc.c | 43 +++++++++++++------------------------- 1 file changed, 14 insertions(+), 29 deletions(-) diff --git a/hw/arm/aspeed_ast27x0-fc.c b/hw/arm/aspeed_ast27x0-fc.c index 7087be4288..ebf3784df5 100644 --- a/hw/arm/aspeed_ast27x0-fc.c +++ b/hw/arm/aspeed_ast27x0-fc.c @@ -74,19 +74,12 @@ static void ast2700fc_ca35_init(MachineState *machine) AST2700FC_BMC_RAM_SIZE, &error_abort)) { return; } - if (!object_property_set_link(OBJECT(&s->ca35), "memory", - OBJECT(&s->ca35_memory), - &error_abort)) { - return; - }; - if (!object_property_set_link(OBJECT(&s->ca35), "dram", - OBJECT(&s->ca35_dram), &error_abort)) { - return; - } - if (!object_property_set_int(OBJECT(&s->ca35), "ram-size", - AST2700FC_BMC_RAM_SIZE, &error_abort)) { - return; - } + object_property_set_link(OBJECT(&s->ca35), "memory", + OBJECT(&s->ca35_memory), &error_abort); + object_property_set_link(OBJECT(&s->ca35), "dram", OBJECT(&s->ca35_dra= m), + &error_abort); + object_property_set_int(OBJECT(&s->ca35), "ram-size", + AST2700FC_BMC_RAM_SIZE, &error_abort); =20 for (int i =3D 0; i < sc->macs_num; i++) { if (!qemu_configure_nic_device(DEVICE(&soc->ftgmac100[i]), @@ -94,14 +87,10 @@ static void ast2700fc_ca35_init(MachineState *machine) break; } } - if (!object_property_set_int(OBJECT(&s->ca35), "hw-strap1", - AST2700FC_HW_STRAP1, &error_abort)) { - return; - } - if (!object_property_set_int(OBJECT(&s->ca35), "hw-strap2", - AST2700FC_HW_STRAP2, &error_abort)) { - return; - } + object_property_set_int(OBJECT(&s->ca35), "hw-strap1", + AST2700FC_HW_STRAP1, &error_abort); + object_property_set_int(OBJECT(&s->ca35), "hw-strap2", + AST2700FC_HW_STRAP2, &error_abort); aspeed_soc_uart_set_chr(soc, ASPEED_DEV_UART12, serial_hd(0)); if (!qdev_realize(DEVICE(&s->ca35), NULL, &error_abort)) { return; @@ -133,10 +122,8 @@ static void ast2700fc_ssp_init(MachineState *machine) UINT64_MAX); =20 qdev_connect_clock_in(DEVICE(&s->ssp), "sysclk", s->ssp_sysclk); - if (!object_property_set_link(OBJECT(&s->ssp), "memory", - OBJECT(&s->ssp_memory), &error_abort)) { - return; - } + object_property_set_link(OBJECT(&s->ssp), "memory", + OBJECT(&s->ssp_memory), &error_abort); =20 soc =3D ASPEED_SOC(&s->ssp); aspeed_soc_uart_set_chr(soc, ASPEED_DEV_UART4, serial_hd(1)); @@ -157,10 +144,8 @@ static void ast2700fc_tsp_init(MachineState *machine) UINT64_MAX); =20 qdev_connect_clock_in(DEVICE(&s->tsp), "sysclk", s->tsp_sysclk); - if (!object_property_set_link(OBJECT(&s->tsp), "memory", - OBJECT(&s->tsp_memory), &error_abort)) { - return; - } + object_property_set_link(OBJECT(&s->tsp), "memory", + OBJECT(&s->tsp_memory), &error_abort); =20 soc =3D ASPEED_SOC(&s->tsp); aspeed_soc_uart_set_chr(soc, ASPEED_DEV_UART7, serial_hd(2)); --=20 2.43.0