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Thu, 09 Jul 2026 03:42:27 -0700 (PDT) Date: Thu, 9 Jul 2026 13:42:21 +0300 From: Dan Carpenter To: oe-kbuild@lists.linux.dev, Akhil P Oommen Cc: lkp@intel.com, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Rob Clark Subject: drivers/gpu/drm/msm/adreno/a2xx_gpu.c:503 a2xx_gpu_init() warn: variable dereferenced before check 'pdev' (see line 500) Message-ID: <202607031755.QZSurBLv-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: d2c9a99135da931377240942d44f3dea104cedb8 commit: 491fadb2b818e1d900229a1f8243de6458381306 drm/msm/adreno: Move adreno_gpu_func to catalogue date: 8 months ago config: arm64-randconfig-r072-20260703 (https://download.01.org/0day-ci/archive/20260703/202607031755.QZSurBLv-lkp@intel.com/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) smatch: v0.5.0-9185-gbcc58b9c 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 | Fixes: 491fadb2b818 ("drm/msm/adreno: Move adreno_gpu_func to catalogue") | Reported-by: kernel test robot | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202607031755.QZSurBLv-lkp@intel.com/ smatch warnings: drivers/gpu/drm/msm/adreno/a2xx_gpu.c:503 a2xx_gpu_init() warn: variable dereferenced before check 'pdev' (see line 500) drivers/gpu/drm/msm/adreno/a4xx_gpu.c:642 a4xx_gpu_init() warn: variable dereferenced before check 'pdev' (see line 637) drivers/gpu/drm/msm/adreno/a3xx_gpu.c:530 a3xx_gpu_init() warn: variable dereferenced before check 'pdev' (see line 525) vim +/pdev +503 drivers/gpu/drm/msm/adreno/a2xx_gpu.c 491fadb2b818e1 Akhil P Oommen 2025-11-18 493 static struct msm_gpu *a2xx_gpu_init(struct drm_device *dev) 21af872cd8c695 Jonathan Marek 2018-11-21 494 { 21af872cd8c695 Jonathan Marek 2018-11-21 495 struct a2xx_gpu *a2xx_gpu = NULL; 21af872cd8c695 Jonathan Marek 2018-11-21 496 struct adreno_gpu *adreno_gpu; 21af872cd8c695 Jonathan Marek 2018-11-21 497 struct msm_gpu *gpu; 21af872cd8c695 Jonathan Marek 2018-11-21 498 struct msm_drm_private *priv = dev->dev_private; 21af872cd8c695 Jonathan Marek 2018-11-21 499 struct platform_device *pdev = priv->gpu_pdev; 491fadb2b818e1 Akhil P Oommen 2025-11-18 @500 struct adreno_platform_config *config = pdev->dev.platform_data; ^^^^^^ 21af872cd8c695 Jonathan Marek 2018-11-21 501 int ret; 21af872cd8c695 Jonathan Marek 2018-11-21 502 21af872cd8c695 Jonathan Marek 2018-11-21 @503 if (!pdev) { ^^^^^^ Hopefully, this code could be deleted. 21af872cd8c695 Jonathan Marek 2018-11-21 504 dev_err(dev->dev, "no a2xx device\n"); 21af872cd8c695 Jonathan Marek 2018-11-21 505 ret = -ENXIO; 21af872cd8c695 Jonathan Marek 2018-11-21 506 goto fail; 21af872cd8c695 Jonathan Marek 2018-11-21 507 } 21af872cd8c695 Jonathan Marek 2018-11-21 508 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki