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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4B805C433EF for ; Mon, 7 Mar 2022 15:30:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242276AbiCGPbp (ORCPT ); Mon, 7 Mar 2022 10:31:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41038 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232666AbiCGPbo (ORCPT ); Mon, 7 Mar 2022 10:31:44 -0500 Received: from mail-wr1-x436.google.com (mail-wr1-x436.google.com [IPv6:2a00:1450:4864:20::436]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 123075749E; Mon, 7 Mar 2022 07:30:50 -0800 (PST) Received: by mail-wr1-x436.google.com with SMTP id e24so10921233wrc.10; Mon, 07 Mar 2022 07:30:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=VEUtjRWw8hcXPx8ISHtvMs+ktqj0awQxQ1FmrJuTsp0=; b=MNpHF7Pxg9BKJiM7fXtwr+H0qiQHTO5YaiWRpoj8JeGPvWbNy27/PM68jvK4QSBRoS eJV84YLL7LY0Kx+2dttq4o8BSGVJnTkTkSVrSQ6jqym1hnTU/KN1tiaQ4HT3YxHnGaep l/BgDYpY9h1dRuCJcH3/sPXiySIO+U6vefOR+F4+6/wYeky7WPYEoZhJjDMIx0OvJUnr rJpIGYuHLOeHT93rWf+ikiIQTOzZMcEJeJjTV+qPGfz/r4iAqH5VCVB98b/FMsXQJZQT bPAklAmCoO81z7iPKi3IVku0QUFChskh487B2KlaehvDU0EI0uy5Gq33vkGC5FnOYU2C YW9A== 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:mime-version :content-transfer-encoding; bh=VEUtjRWw8hcXPx8ISHtvMs+ktqj0awQxQ1FmrJuTsp0=; b=6gCUcgdLxzXXsPIx7rX6oQXVwrtHf7Hlt32yokXmdktU9yWzLXYX2eZh5F6xTfmdV1 LttieduH0Yo7DZB7Fc1jFUvQQLcxETn1Sy0N695ei9ijYFXGbAavTkaK1raBtJie65eu ox8MDb1FSWYDbJCKny5vL7Gvd6r9dxxtl/gC2bugoDSDb0bccTY+XPNtRs6Ge9LoZ7At mVJEzOiRw/6YoZEIbA2FM8pBW+ia0n2bL0rCtXrGXfCzjqBnvTjLa1J/2QmlX47wfkXr vXBOAcpL7zcd4Sqf5lGi1wF/V7YnRoSQu8tt8SFTOZetr7aYtS9Cyqdqbn0+KHz9g97Q hkBQ== X-Gm-Message-State: AOAM532CuK1t3+xGdeBRu5I7Sm/3tqzsZ61CPbl3u34VURz7OFURYs1W lyaEBRETQ6Ps/yeLAqpDtAM= X-Google-Smtp-Source: ABdhPJybfHSo0eCkjaEOHXAgaY8b9TUr8U9Fg4tG5GiMhl+kF2PHHrRNJApWZg0ccl+N6LMTkzuvSA== X-Received: by 2002:a5d:64ac:0:b0:1e7:1415:2548 with SMTP id m12-20020a5d64ac000000b001e714152548mr8834834wrp.267.1646667048657; Mon, 07 Mar 2022 07:30:48 -0800 (PST) Received: from localhost (cpc154979-craw9-2-0-cust193.16-3.cable.virginm.net. [80.193.200.194]) by smtp.gmail.com with ESMTPSA id m13-20020a05600c4f4d00b00386744cb31bsm15673525wmq.35.2022.03.07.07.30.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Mar 2022 07:30:48 -0800 (PST) From: Colin Ian King To: Greg Kroah-Hartman , Jiri Slaby , linux-serial@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev Subject: [PATCH] tty: serial: jsm: remove redundant assignments to variable linestatus Date: Mon, 7 Mar 2022 15:30:47 +0000 Message-Id: <20220307153047.139639-1-colin.i.king@gmail.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org Variable linestatus is being assigned values that are never read, the assignments are redundant and can be removed. Cleans up clang scan warnings: drivers/tty/serial/jsm/jsm_cls.c:369:2: warning: Value stored to 'linestatus' is never read [deadcode.DeadStores] drivers/tty/serial/jsm/jsm_cls.c:400:4: warning: Value stored to 'linestatus' is never read [deadcode.DeadStores] Signed-off-by: Colin Ian King --- drivers/tty/serial/jsm/jsm_cls.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/tty/serial/jsm/jsm_cls.c b/drivers/tty/serial/jsm/jsm_cls.c index b280da50290c..444f233ebd1f 100644 --- a/drivers/tty/serial/jsm/jsm_cls.c +++ b/drivers/tty/serial/jsm/jsm_cls.c @@ -350,7 +350,7 @@ static void cls_assert_modem_signals(struct jsm_channel *ch) static void cls_copy_data_from_uart_to_queue(struct jsm_channel *ch) { int qleft = 0; - u8 linestatus = 0; + u8 linestatus; u8 error_mask = 0; u16 head; u16 tail; @@ -365,8 +365,6 @@ static void cls_copy_data_from_uart_to_queue(struct jsm_channel *ch) head = ch->ch_r_head & RQUEUEMASK; tail = ch->ch_r_tail & RQUEUEMASK; - /* Get our cached LSR */ - linestatus = ch->ch_cached_lsr; ch->ch_cached_lsr = 0; /* Store how much space we have left in the queue */ -- 2.35.1