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Mon, 15 Dec 2025 01:22:23 -0800 (PST) Received: from localhost ([196.207.164.177]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-47a8f6e5baasm186959115e9.13.2025.12.15.01.22.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Dec 2025 01:22:22 -0800 (PST) Date: Mon, 15 Dec 2025 12:22:19 +0300 From: Dan Carpenter To: oe-kbuild@lists.linux.dev, Andy Yan Cc: lkp@intel.com, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Dmitry Baryshkov , Heiko Stuebner Subject: drivers/gpu/drm/bridge/synopsys/dw-dp.c:2080 dw_dp_bind() warn: passing zero to 'ERR_PTR' Message-ID: <202512151515.PjP26FTp-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: 8f0b4cce4481fb22653697cced8d0d04027cb1e8 commit: d68ba7bac9555d05e2f5b310c898b2a5c7eff174 drm/rockchip: Add RK3588 DPTX output support config: arm64-randconfig-r071-20251215 (https://download.01.org/0day-ci/archive/20251215/202512151515.PjP26FTp-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 10.5.0 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 | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202512151515.PjP26FTp-lkp@intel.com/ New smatch warnings: drivers/gpu/drm/bridge/synopsys/dw-dp.c:2080 dw_dp_bind() warn: passing zero to 'ERR_PTR' vim +/ERR_PTR +2080 drivers/gpu/drm/bridge/synopsys/dw-dp.c 86eecc3a9c2e06 Andy Yan 2025-08-22 2068 ret = phy_init(dp->phy); 86eecc3a9c2e06 Andy Yan 2025-08-22 2069 if (ret) { 86eecc3a9c2e06 Andy Yan 2025-08-22 2070 dev_err_probe(dev, ret, "phy init failed\n"); 86eecc3a9c2e06 Andy Yan 2025-08-22 2071 return ERR_PTR(ret); 86eecc3a9c2e06 Andy Yan 2025-08-22 2072 } 86eecc3a9c2e06 Andy Yan 2025-08-22 2073 86eecc3a9c2e06 Andy Yan 2025-08-22 2074 ret = devm_add_action_or_reset(dev, dw_dp_phy_exit, dp); 86eecc3a9c2e06 Andy Yan 2025-08-22 2075 if (ret) 86eecc3a9c2e06 Andy Yan 2025-08-22 2076 return ERR_PTR(ret); 86eecc3a9c2e06 Andy Yan 2025-08-22 2077 86eecc3a9c2e06 Andy Yan 2025-08-22 2078 dp->irq = platform_get_irq(pdev, 0); 86eecc3a9c2e06 Andy Yan 2025-08-22 2079 if (dp->irq < 0) 86eecc3a9c2e06 Andy Yan 2025-08-22 @2080 return ERR_PTR(ret); s/ret/dp->irq/ 86eecc3a9c2e06 Andy Yan 2025-08-22 2081 86eecc3a9c2e06 Andy Yan 2025-08-22 2082 ret = devm_request_threaded_irq(dev, dp->irq, NULL, dw_dp_irq, 86eecc3a9c2e06 Andy Yan 2025-08-22 2083 IRQF_ONESHOT, dev_name(dev), dp); 86eecc3a9c2e06 Andy Yan 2025-08-22 2084 if (ret) { 86eecc3a9c2e06 Andy Yan 2025-08-22 2085 dev_err_probe(dev, ret, "failed to request irq\n"); 86eecc3a9c2e06 Andy Yan 2025-08-22 2086 return ERR_PTR(ret); 86eecc3a9c2e06 Andy Yan 2025-08-22 2087 } 86eecc3a9c2e06 Andy Yan 2025-08-22 2088 86eecc3a9c2e06 Andy Yan 2025-08-22 2089 return dp; 86eecc3a9c2e06 Andy Yan 2025-08-22 2090 } -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki