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Mon, 27 Nov 2023 10:23:07 -0800 (PST) Message-ID: Date: Mon, 27 Nov 2023 23:53:02 +0530 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 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Mon, 27 Nov 2023 10:23:15 -0800 (PST) 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