From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="bs/8rJOX" Received: from mail-il1-x132.google.com (mail-il1-x132.google.com [IPv6:2607:f8b0:4864:20::132]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 256A5198; Mon, 27 Nov 2023 10:23:09 -0800 (PST) Received: by mail-il1-x132.google.com with SMTP id e9e14a558f8ab-35cb8fe4666so760335ab.1; Mon, 27 Nov 2023 10:23:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1701109388; x=1701714188; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=HRI7cWlvOkyNkuDPrfXGivTVffcdI2V+Vot+f9MkWGg=; b=bs/8rJOXj01g00QbejC60avn/iUjsYjCtQhtXbHpyfQ7ZHrYAiAbjc9DBYnYZrMXT9 CUUuBsgOfnJOO/24mx2iEtkvoR16YLjnf5V8OZGhmvTUa5R0SpfMeytD6h6ZBo+xOJTk JIUfuNlAq06JFKYmGGXqopBbVFWgjUXIfCoAl1TQqDh8Tvx+cTkw7SOMxBYnNtYplYE1 Rh8nhYpsB2754mAuKKVF/KRZBgjJL8CFgEkLia44CC7Uz9Rt8WANJ2uiex+MmVUn72HQ PjSNVRfbmxjp8OTYFWGOKEFnvwv4Onvkx+t72EAszDThDxubAZV5VAXCalUyI+i1ou+H Dabw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701109388; x=1701714188; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=HRI7cWlvOkyNkuDPrfXGivTVffcdI2V+Vot+f9MkWGg=; b=LjFc9mO9cfipKADJrztI3C/BnWfuRt2aYPMx263+gsrWQf+VTGfbDDZqC5Faqux3qD I0eNSodmsHrGLkERcOBST/79rIrTHXQLjKZixuHuAv6HVTJSJtRSrY0jzddry3Vn/ATd n3x5IC9eMXhi/XSKPahXqbSY+dw8nRdf3T/ZZS6YjdTdGKWULlHBJKggnGRJIZIXRzeu E1+qtOjquqpeJEdPNGk9vs67KCPab4X8j+Cqsbmsb2S1i+Flsu86Pg98dLn6yUyEmmtb Q/yKoFf0g54QBf+C2QT8B4vHNkBDXQmxIqoYmOUUjJj6c/V5A9gSClH+wgCEW6gJ60tv L0wA== X-Gm-Message-State: AOJu0YyDSfd3uc+8Bq380Ma9uPqE3DYMvPttsmdSSoQE0dk1STAGtKbF XyP/o95IsorjfUBe3sYkVO1Ptjg9iCo= X-Google-Smtp-Source: AGHT+IFw2AHP+33vEEsm3DpKrdLapr09lmZwO4DhjBB6CLzAkroRuckY0uVMI7Ec4ltxP/lFPFc8uQ== X-Received: by 2002:a05:6e02:12b2:b0:35c:963b:a018 with SMTP id f18-20020a056e0212b200b0035c963ba018mr6289252ilr.0.1701109388238; Mon, 27 Nov 2023 10:23:08 -0800 (PST) Received: from [192.168.0.152] ([103.75.161.210]) by smtp.gmail.com with ESMTPSA id v1-20020a632f01000000b005898df17ea4sm7863665pgv.27.2023.11.27.10.23.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 27 Nov 2023 10:23:07 -0800 (PST) Message-ID: Date: Mon, 27 Nov 2023 23:53:02 +0530 Precedence: bulk X-Mailing-List: linux-edac@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] driver : edac : Fix warning using plain integer as NULL Content-Language: en-US To: Borislav Petkov Cc: tony.luck@intel.com, qiuxu.zhuo@intel.com, james.morse@arm.com, mchehab@kernel.org, rric@kernel.org, linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org References: <20231109212157.1454726-1-singhabhinav9051571833@gmail.com> <20231127171435.GCZWTOe+DQSy4kkuKO@fat_crate.local> From: Abhinav Singh In-Reply-To: <20231127171435.GCZWTOe+DQSy4kkuKO@fat_crate.local> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 11/27/23 22:44, Borislav Petkov wrote: > On Fri, Nov 10, 2023 at 02:51:57AM +0530, Abhinav Singh wrote: >> Sparse static analysis tools generate a warning with this message >> "Using plain integer as NULL pointer". In this case this warning is >> being shown because we are trying to initialize pointer to NULL using >> integer value 0. > > And that is a problem because? > Hello, thanks for reviewing this. As of now this is only a warning issue in kernel. I saw this post by linus https://www.spinics.net/lists/linux-sparse/msg10066.html and thought of submitting a patch. Also a similar patch of mine got accepted https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg2560740.html, so thought about opening this one as well. Thank You, Abhinav Singh