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 E03A9CAC5B9 for ; Mon, 29 Sep 2025 17:01:03 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1v3H9V-00074P-Sw; Mon, 29 Sep 2025 12:55:07 -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 1v3H8S-0003p0-8V for qemu-devel@nongnu.org; Mon, 29 Sep 2025 12:54:04 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1v3H8L-0002xe-92 for qemu-devel@nongnu.org; Mon, 29 Sep 2025 12:53:59 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1759164830; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=IFV8yzChiwwaTru2ixwd6NCKrifkFsnekzGPSSMFVv8=; b=a4cuMyHwAXyOq83ElFzT7RgzHnSsjLNHOs2KYX6MPkdHvfEmBZacOcmdGeaJmpWQB9e0JH OL1oHIvK8cHHeRYzOxf7BL/dFHJcP6HvyNF2/tTZXQacckDEuMOsmd2eDDZx1AOYTAHD4s VLSk5S7WRh8nP5aGgtX7he3gvWzSScA= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-197-2aAQz_MFMHqnGivpEkWmkA-1; Mon, 29 Sep 2025 12:53:46 -0400 X-MC-Unique: 2aAQz_MFMHqnGivpEkWmkA-1 X-Mimecast-MFC-AGG-ID: 2aAQz_MFMHqnGivpEkWmkA_1759164825 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id C0D9E19560B5; Mon, 29 Sep 2025 16:53:45 +0000 (UTC) Received: from corto.redhat.com (unknown [10.44.32.27]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 277211800452; Mon, 29 Sep 2025 16:53:43 +0000 (UTC) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: Jamin Lin , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Subject: [PULL 31/32] hw/arm/aspeed_ast27x0-fc: Drop dead return checks Date: Mon, 29 Sep 2025 18:52:29 +0200 Message-ID: <20250929165230.797471-32-clg@redhat.com> In-Reply-To: <20250929165230.797471-1-clg@redhat.com> References: <20250929165230.797471-1-clg@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Received-SPF: pass client-ip=170.10.129.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.513, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Jamin Lin 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 fail. So the common practice in models is to pass &error_abort and ignore the returned value. https://patchwork.kernel.org/project/qemu-devel/patch/20250717034054.1903991-3-jamin_lin@aspeedtech.com/#26540626 No functional change. Signed-off-by: Jamin Lin Reviewed-by: Cédric Le Goater Link: https://lore.kernel.org/qemu-devel/20250925050535.2657256-6-jamin_lin@aspeedtech.com Signed-off-by: Cédric 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 7087be4288bb..ebf3784df588 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_dram), + &error_abort); + object_property_set_int(OBJECT(&s->ca35), "ram-size", + AST2700FC_BMC_RAM_SIZE, &error_abort); for (int i = 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); 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); soc = 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); 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); soc = ASPEED_SOC(&s->tsp); aspeed_soc_uart_set_chr(soc, ASPEED_DEV_UART7, serial_hd(2)); -- 2.51.0