From patchwork Mon Apr 26 10:11:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colin King X-Patchwork-Id: 12224111 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 172C1C43460 for ; Mon, 26 Apr 2021 10:13:17 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id ACE52613AB for ; Mon, 26 Apr 2021 10:13:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ACE52613AB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=canonical.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=jY+8TTO292LvEhd4rOfKNmh/yeNyaupQn/fNmiYCNzc=; b=QNwSbvQaX2bqMo81SpplO7JBKB iaq+bM+rfyz1gVlvHHIt0MwmB0NJgLGhiAuLJ0Gu36N+cH4UvE/ojGTjHeiHMHC4qodAnVw1el3Ry pljB3D1zrGe6v8oRifestpc1Sxmxe9Ntd6Xsww17n7cceZQfyHrKNHJoXCa9KdeHQWPCbYc6exmVw PF25Vw8VvND+6Z9xd+7T/JOlpv1YtR4Nl7W9k9tHc52Q/KZnVVvfYIS9raANxjkOef3sOXpv7Mc1L W5B0KhpLjVGINM0aABiPi0vv2r3i0FlJS3GZEqgM143vumOJ2dCtnZl6AtsIB60FpKwNOkWtrEMx0 +yX9Eakw==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1layD9-007Nhg-LZ; Mon, 26 Apr 2021 10:11:27 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1layCz-007Ngp-4K; Mon, 26 Apr 2021 10:11:17 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: Content-Type:MIME-Version:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-ID:Content-Description:In-Reply-To:References; bh=0Yyic5TCwmThAqHm5s43eI6EE8ERYdk4+eB7ADZJSQU=; b=mXqNOFAuCGmsjtfTi8cc0SziZA fxEGNyWostdBCI1O/B2nhIxL6WR4q1y/ixL/o//Zzr6yf6RjoDOYOW3Rrmo08UfN4MkD0iIf71Jpf 6sHl5CLdTl6LfSUh1kyhlpyVC0foBJU7o0j2hJWH961qR8B5eG+kGRoVvxp0pRv0sSbpJehWZGkgu OEqvIun3uwCH0uHrwMwGKsuh2YIRy4lkqvvLcj8rCTqhCpaWi/6mCUfb7wQtKvyEH79EpE+j7G+c3 D/iiV/+Pdgsuw9I30rufMZ0a8DuAdjyDuvk9MTCc8POL3LIJSsgSK+mZ18RnAQ6MUn9uWVrVR2KzE 7K0u57Aw==; Received: from youngberry.canonical.com ([91.189.89.112]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1layCw-00Ft5E-GP; Mon, 26 Apr 2021 10:11:15 +0000 Received: from 1.general.cking.uk.vpn ([10.172.193.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1layCo-0003XV-9l; Mon, 26 Apr 2021 10:11:06 +0000 From: Colin King To: Greg Kroah-Hartman , Jiri Slaby , Kevin Hilman , Neil Armstrong , Jerome Brunet , Martin Blumenstingl , linux-serial@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] serial: meson: remove redundant initialization of variable id Date: Mon, 26 Apr 2021 11:11:06 +0100 Message-Id: <20210426101106.9122-1-colin.king@canonical.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210426_031114_702370_E6EB81F9 X-CRM114-Status: GOOD ( 14.07 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Colin Ian King The variable id being initialized with a value that is never read and it is being updated later with a new value. The initialization is redundant and can be removed. Since id is just being used in a for-loop inside a local scope, move the declaration of id to that scope. Addresses-Coverity: ("Unused value") Signed-off-by: Colin Ian King Reviewed-by: Kevin Hilman Reviewed-by: Martin Blumenstingl --- drivers/tty/serial/meson_uart.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c index 529cd0289056..d7f55031b2cf 100644 --- a/drivers/tty/serial/meson_uart.c +++ b/drivers/tty/serial/meson_uart.c @@ -716,12 +716,13 @@ static int meson_uart_probe(struct platform_device *pdev) struct resource *res_mem, *res_irq; struct uart_port *port; int ret = 0; - int id = -1; if (pdev->dev.of_node) pdev->id = of_alias_get_id(pdev->dev.of_node, "serial"); if (pdev->id < 0) { + int id; + for (id = AML_UART_PORT_OFFSET; id < AML_UART_PORT_NUM; id++) { if (!meson_ports[id]) { pdev->id = id;