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 507E0C433EF for ; Tue, 14 Dec 2021 12:01:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233746AbhLNMBJ (ORCPT ); Tue, 14 Dec 2021 07:01:09 -0500 Received: from mga11.intel.com ([192.55.52.93]:16769 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229579AbhLNMBI (ORCPT ); Tue, 14 Dec 2021 07:01:08 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1639483268; x=1671019268; h=date:from:to:cc:subject:message-id:mime-version; bh=oZJUHPH1yotOnSZkKJ/4AQ9YUNfC9FQ4k3ALhKElxTw=; b=Hf2o6naKp9/aVyrbdMEcOtxXphJ8DIc/yT1cves2Dp7Z1rS+0qt5n8d3 YgZl9/e2CnSYqR5rZ8FcsKzC86vcKTv79kWaP3QUrwe6YfM34HxTj+nar eolG0h6BF5Ik4ux3htv295mhxgqulqk8lmBdduo0U5i33V2CQG5/XuZdE EfDT7XfWSVTvWmaqaw0zzBpV+Jr6/84JJ1lZ5jMTAr2cJQI8NIaEk6oRD GebO40KRkBNltWcUla8Gnr+m/40OOFPVWmBiYHBMLhVZlMuWxxAusiUkO Ei52k0QwX7dJWtH54twOrX9banwjF8rpuD0AGSelpzQlvFkCU4wuv9fM/ g==; X-IronPort-AV: E=McAfee;i="6200,9189,10197"; a="236495785" X-IronPort-AV: E=Sophos;i="5.88,205,1635231600"; d="scan'208";a="236495785" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Dec 2021 04:01:07 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,205,1635231600"; d="scan'208";a="465054778" Received: from lkp-server02.sh.intel.com (HELO 9f38c0981d9f) ([10.239.97.151]) by orsmga006.jf.intel.com with ESMTP; 14 Dec 2021 04:01:06 -0800 Received: from kbuild by 9f38c0981d9f with local (Exim 4.92) (envelope-from ) id 1mx6UT-0000Fu-DF; Tue, 14 Dec 2021 12:01:05 +0000 Date: Tue, 14 Dec 2021 20:00:49 +0800 From: kernel test robot To: Rob Herring Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [robh:for-kernelci 1/9] drivers/tty/serial/lantiq.c:732 fetch_irq_lantiq() warn: unsigned 'ltq_port->tx_irq' is never less than zero. Message-ID: <202112141920.cCz4wG5n-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-kernelci head: 0e59c9b64d3363b98201fc040101f8ff62c7eafb commit: e12887def507246bafed1c9b1b7f4f03ab225da5 [1/9] serial: lantiq: Remove usage of of_irq_to_resource_table()/of_irq_get() config: i386-randconfig-m021-20211210 (https://download.01.org/0day-ci/archive/20211214/202112141920.cCz4wG5n-lkp@intel.com/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot smatch warnings: drivers/tty/serial/lantiq.c:732 fetch_irq_lantiq() warn: unsigned 'ltq_port->tx_irq' is never less than zero. drivers/tty/serial/lantiq.c:735 fetch_irq_lantiq() warn: unsigned 'ltq_port->rx_irq' is never less than zero. drivers/tty/serial/lantiq.c:738 fetch_irq_lantiq() warn: unsigned 'ltq_port->err_irq' is never less than zero. vim +732 drivers/tty/serial/lantiq.c 725 726 static int fetch_irq_lantiq(struct device *dev, struct ltq_uart_port *ltq_port) 727 { 728 struct uart_port *port = <q_port->port; 729 struct platform_device *pdev = to_platform_device(dev); 730 731 ltq_port->tx_irq = platform_get_irq(pdev, 0); > 732 if (ltq_port->tx_irq < 0) 733 return ltq_port->tx_irq; 734 ltq_port->rx_irq = platform_get_irq(pdev, 1); > 735 if (ltq_port->rx_irq < 0) 736 return ltq_port->rx_irq; 737 ltq_port->err_irq = platform_get_irq(pdev, 2); > 738 if (ltq_port->err_irq < 0) 739 return ltq_port->err_irq; 740 741 port->irq = ltq_port->tx_irq; 742 743 return 0; 744 } 745 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org