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Fri, 27 Dec 2024 11:24:26 +0100 Message-ID: <3ab331db-363c-46c3-8e9f-0cbf4d142493@web.de> Date: Fri, 27 Dec 2024 11:24:13 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: drm/mediatek: Initialize pointer before use to avoid undefiend behaviour To: Karan Sanghavi , dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Cc: Alexandre Mergnat , Angelo Gioacchino Del Regno , Chun-Kuang Hu , David Airlie , Matthias Brugger , Philipp Zabel , Shuah Khan , Simona Vetter , Sui Jingfeng , LKML , =?UTF-8?B?Q0sgSHUgKOiDoeS/iuWFiSk=?= References: <20241111-uninitializedpointer1601557-v1-1-7d03668e8141@gmail.com> <8a5bdda5-5e2a-4b73-91a5-849b6060e7df@web.de> Content-Language: en-GB From: Markus Elfring In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:261YQXgSq9sf+X0DuUBswbH9bCF7TKLuW/b5gnQ2sxTMF+YlzMZ P4UcqtyiZoV3LySSmxpUmNBT5xKyXo0J3BT0oQFWAZCc0Sil2mCFlslgPUVwmOx5f+8EXs2 JkUr2R8wPvL9xvXJ7DkkKtWkuhvPKVnSI/NuwGGiI9baVRQhjxz0/pvYgU+9YH2xXYdEzkW M6WlEmKrZ7ZRKpsvMEMCA== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:NSVhTixYKaE=;U27C+P7a35hKymGudvjgiTZCUhF RPK8JsHHpOI/XYQhJJ4jF0KE+tmOmLvX7WP8jSfo50ld1iKlvyM4fIooDUGsbwHa/yrJ1fHWH 5JbkWTQVVLvIQ7Fp73Frf8cxvBzC9OpMhvlEeHYcVFCb/DgiPOYr+R+PbEBt1/nKZ7cxfmS5f 23S1YM2gkOiFFjqnZgnzpvCFtyp57N1amPafKrxxrxNLJJNnKGcKhLZrQuPAVKJ/lbuPO4Rme 3FYWlMgBhvGdNARuHQGI9kmAG8NmynCDo5wXdYiIzO0Y39Eub/DRB98FF3fuMYoMwqoqnbncs WyEShDs815Un0+4WoGqSh2vHKAc1M5Wu0ObDVvFsaSGoGrNzNFzuS8g2gHfwdwCV/FdCqJ5G3 f7BT9QEVDgtY5XIar4iqEWC64XZVprnXdd/wXi+rdsAFkCp8HJ/ZiEZaTr+aOgljhpzt7xxK+ ubuulB77CmDJ98yZiTje1nenUUcvDbwvEKsYUq5nRGs9R0amZECGlVq1Fl7rV/i5sVGxGCzPQ LwVczdSXTxfanvvj7n8+uYubuqB93+Drh4jpO3UJWLVxZWxbtrJYVro6PACRbOC+QKpgZwKf+ l9tdiGC/edo9S+UjQKNAdvIBUsN0pZ/OMVjkx3NTNRnUllHY5UsgJFEPimIY5ju8oQ2Csy6vN P3b/5zzxakA5zlau6FZ0uGrN+vZm9UBPR5uum7T+/BaItiHlxNwHA5kIyzMo3TAFMGOGp9fRU hxS5pG2bxb81ARJjWyaDCeH5/2Jto6naUhawpu7pFsoiAYkxQA/8BEkSDCPVAy2WTdJRBEvsI io3Ay/+NUEVQ5YJl3ym3K+jF9UHwKBVkbVe0nj8og/mWIE3/JqzPyLoI+nyguo9w1up/mW7DR T0to59aSNehQ5u0XE6/baPgisBErVOdDP5NGiUm/sQ0XLX+IfJAkbgcVYVgZ4dp7b28pSWCB0 MFPydf/t99tUA9FN1oL1ExqL1rQTdcG39ZQPcrklTC6W3clsnT9mhBbbdEvoi6EV7b7SGUvQ8 vn3yw9HUhhGMVVdkJ282LNhBd617aCgoMkbPPylgMVdaaSkfD2NVqU3IGc1NTZp03hPjb/FdI SvRlkaNlY= >> =E2=80=A6 >>> --- >>> Coverity Message: >>> CID 1601557: (#1 of 1): Uninitialized pointer read (UNINIT) >>> 3. uninit_use: Using uninitialized value next. >> >> May such information become a part for the final change description? >> > Ofcourse, it shouldn't be the part of the change description. I suggest to reconsider this view once more. > it is just for the reference to understand more about what the error mes= sage > is generated by coverity scan. Please take another look at possibilities how other contributors indicated that some change opportunities were pointed out by advanced source code analysis tools. Regards, Markus