From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6EC5F22F39B; Fri, 21 Mar 2025 18:00:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742580006; cv=none; b=Edq2F3I2hi/HAIA41A2/TGW8G8Quekh9GT70ZvFVKWkrjFH5v24WRVdZL6lVe45uOClu22HEefbXGKViLPePR68V0rcPWUngX0qAhCFoHPCyeCqtlsA6U4rT6ff4yLleQmRr+N+Ze8gVbo70XmO/JRBqMfKcwfVOf0JGrU9CxUA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742580006; c=relaxed/simple; bh=vcKg9mUL/fqkuJAa8zyGDeR10PBY1F77gvgDIiwTnuI=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; b=b81sdsmKCpat/+wjDdALbrNIIgAtOHfW4b8jbuMs2XSDPY0qYoMnzMkz/txyPPXaSNE0bATlpzNt0kMoqV9A1IMULGB46VQbzhuAT0C/fKQXswMTJlqo1aOLoxyugKcJ8ABz5YjuIrK2MmqjnZmdHJAEbPiAXLqo3LHG3C7vUUY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BLglyo++; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BLglyo++" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B7CC1C4CEE3; Fri, 21 Mar 2025 18:00:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1742580005; bh=vcKg9mUL/fqkuJAa8zyGDeR10PBY1F77gvgDIiwTnuI=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=BLglyo++Qy4r32e03DryRPT4rN1ZUJGSJXeEc4lN3+tcE1wAOl9V8/zav6GYRfoi3 CW7mfiX8psWPnU7nknj83od/FflUo0qF7MBs8CMosU6+Pr1RRRXPMpOJTpexgbm6be J1+OvnZKhtEqHaNp9iDMS7Rcx7mrY0BI1XWge29sRVk57DKnwioa1yPnd+AJNYmRh8 M8nRE2LjncxVa6PHy0oJZYmtTT2+QB7h3KjEqCVXNDJm1QHlSLwqI/JtrdscDMjFGl vHgna5VkQ8ilHWGYZ0tdXUFn9MoWmxpiNaah0x3FQFVMjydIQOoOLEHf96WjgAAol+ GYh4j0uqz8uTw== Date: Fri, 21 Mar 2025 13:00:04 -0500 From: Bjorn Helgaas To: kernel test robot Cc: Frank Li , oe-kbuild-all@lists.linux.dev, linux-pci@vger.kernel.org, Ioana Ciornei Subject: Re: [pci:controller/dwc-cpu-addr-fixup 6/14] drivers/pci/controller/dwc/pcie-designware.c:1130:55: sparse: sparse: Using plain integer as NULL pointer Message-ID: <20250321180004.GA1137242@bhelgaas> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202503210649.lau9JEgG-lkp@intel.com> On Fri, Mar 21, 2025 at 06:56:55AM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git controller/dwc-cpu-addr-fixup > head: 94d1d26431c0e4c845e9e9ee5f23bcc9a53d95ec > commit: c1154a3218325a03cd07df51a7076a353a723589 [6/14] PCI: dwc: Add dw_pcie_parent_bus_offset() checking and debug > config: alpha-randconfig-r121-20250321 (https://download.01.org/0day-ci/archive/20250321/202503210649.lau9JEgG-lkp@intel.com/config) > compiler: alpha-linux-gcc (GCC) 12.4.0 > reproduce: (https://download.01.org/0day-ci/archive/20250321/202503210649.lau9JEgG-lkp@intel.com/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/oe-kbuild-all/202503210649.lau9JEgG-lkp@intel.com/ > > sparse warnings: (new ones prefixed by >>) > >> drivers/pci/controller/dwc/pcie-designware.c:1130:55: sparse: sparse: Using plain integer as NULL pointer > vim +1130 drivers/pci/controller/dwc/pcie-designware.c > > 1109 > 1110 resource_size_t dw_pcie_parent_bus_offset(struct dw_pcie *pci, > 1111 const char *reg_name, > 1112 resource_size_t cpu_phy_addr) > 1113 { > > 1130 fixup = pci->ops ? pci->ops->cpu_addr_fixup : 0; Replaced with fixup = pci->ops ? pci->ops->cpu_addr_fixup : NULL;