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 1D52FC433F5 for ; Sun, 12 Dec 2021 00:39:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232338AbhLLAi6 (ORCPT ); Sat, 11 Dec 2021 19:38:58 -0500 Received: from mga05.intel.com ([192.55.52.43]:8360 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229622AbhLLAi5 (ORCPT ); Sat, 11 Dec 2021 19:38:57 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1639269537; x=1670805537; h=date:from:to:cc:subject:message-id:mime-version; bh=o6eoygNvX23HVmicqdMj/32v2wVux1DNKXPtZNPQ+JU=; b=mJxK78xrq/LN/1V4G5hcyWMlFf024rZSavFq9C4ijyxiSafCODhJf7+S f4St/q9SrS6qhdrC9DUINFAkfKZDMENHsPSRBsli1VvsqrXPtW4oqRsWP hsWp3BSSyvS3uNqXdFrde3NyM7OR+02FW+3I9+2CDNrirNbjHe9DbULNr +aNij5kBx4HXDr1zerQjm8XHx8Kppq5eKVfI7OMGn/lmSRstsuvIttcRZ W8GxS2lcQBsRNff7e48UX896M9Afh9i9PZQJmuzPahqtOSz7PJNmmLePJ /TKarORKTG5XTM7v3nRDI9bFQA/A7Sjjgy+rjCE56rQsDLF6N16NHufyi A==; X-IronPort-AV: E=McAfee;i="6200,9189,10195"; a="324832311" X-IronPort-AV: E=Sophos;i="5.88,199,1635231600"; d="scan'208";a="324832311" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Dec 2021 16:38:57 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,199,1635231600"; d="scan'208";a="504434967" Received: from lkp-server02.sh.intel.com (HELO 9e1e9f9b3bcb) ([10.239.97.151]) by orsmga007.jf.intel.com with ESMTP; 11 Dec 2021 16:38:55 -0800 Received: from kbuild by 9e1e9f9b3bcb with local (Exim 4.92) (envelope-from ) id 1mwCtD-0005Dx-00; Sun, 12 Dec 2021 00:38:55 +0000 Date: Sun, 12 Dec 2021 08:38:15 +0800 From: kernel test robot To: Samuel Holland Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Marc Zyngier Subject: drivers/irqchip/irq-sun6i-r.c:215:79: sparse: sparse: Using plain integer as NULL pointer Message-ID: <202112120838.OtQsRmlP-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/torvalds/linux.git master head: bbdff6d583be718935b613ab2a966cddaadf661f commit: 4e34614636b31747b190488240a95647c227021f irqchip/sun6i-r: Use a stacked irqchip driver date: 11 months ago config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20211212/202112120838.OtQsRmlP-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4e34614636b31747b190488240a95647c227021f git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 4e34614636b31747b190488240a95647c227021f # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash arch/arm/mach-socfpga/ drivers/dma/ drivers/edac/ drivers/gpu/drm/msm/ drivers/gpu/drm/tegra/ drivers/interconnect/qcom/ drivers/irqchip/ drivers/net/ethernet/mediatek/ drivers/net/vmxnet3/ drivers/net/wireless/mediatek/mt76/mt7915/ drivers/remoteproc/ drivers/scsi/bnx2fc/ drivers/scsi/lpfc/ drivers/staging/ fs/proc/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/irqchip/irq-sun6i-r.c:215:79: sparse: sparse: Using plain integer as NULL pointer vim +215 drivers/irqchip/irq-sun6i-r.c 184 185 static int sun6i_r_intc_domain_alloc(struct irq_domain *domain, 186 unsigned int virq, 187 unsigned int nr_irqs, void *arg) 188 { 189 struct irq_fwspec *fwspec = arg; 190 struct irq_fwspec gic_fwspec; 191 unsigned long hwirq; 192 unsigned int type; 193 int i, ret; 194 195 ret = sun6i_r_intc_domain_translate(domain, fwspec, &hwirq, &type); 196 if (ret) 197 return ret; 198 if (hwirq + nr_irqs > SUN6I_NR_MUX_BITS) 199 return -EINVAL; 200 201 /* Construct a GIC-compatible fwspec from this fwspec. */ 202 gic_fwspec = (struct irq_fwspec) { 203 .fwnode = domain->parent->fwnode, 204 .param_count = 3, 205 .param = { GIC_SPI, hwirq, type }, 206 }; 207 208 ret = irq_domain_alloc_irqs_parent(domain, virq, nr_irqs, &gic_fwspec); 209 if (ret) 210 return ret; 211 212 for (i = 0; i < nr_irqs; ++i, ++hwirq, ++virq) { 213 if (hwirq == nmi_hwirq) { 214 irq_domain_set_hwirq_and_chip(domain, virq, hwirq, > 215 &sun6i_r_intc_nmi_chip, 0); 216 irq_set_handler(virq, handle_fasteoi_ack_irq); 217 } else { 218 /* Only the NMI is currently supported. */ 219 return -EINVAL; 220 } 221 } 222 223 return 0; 224 } 225 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org