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X-CSE-ConnectionGUID: z0rHWVkKTtGlxJXxkkbV5w== X-CSE-MsgGUID: 1zUxjUpZQE27mlMk1Ztb8w== X-IronPort-AV: E=McAfee;i="6800,10657,11777"; a="89524031" X-IronPort-AV: E=Sophos;i="6.23,218,1770624000"; d="scan'208";a="89524031" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 May 2026 22:01:26 -0700 X-CSE-ConnectionGUID: hN6jGCatShCyyPphSRAdEg== X-CSE-MsgGUID: WcV0wJJzT1uf57KBGDyiPQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,218,1770624000"; d="scan'208";a="231626922" Received: from lkp-server01.sh.intel.com (HELO 9ec114424ce8) ([10.239.97.150]) by fmviesa010.fm.intel.com with ESMTP; 05 May 2026 22:01:24 -0700 Received: from kbuild by 9ec114424ce8 with local (Exim 4.98.2) (envelope-from ) id 1wKUNu-000000000iL-1tBM; Wed, 06 May 2026 05:01:22 +0000 Date: Wed, 06 May 2026 13:01:14 +0800 From: kernel test robot To: Kate Hsuan Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, =?utf-8?Q?"=D0=94=D0=B0=D0=BC=D1=98=D0=B0=D0=BD?= =?utf-8?Q?_=D0=93=D0=B5=D0=BE=D1=80=D0=B3=D0=B8=D0=B5=D0=B2=D1=81=D0?= =?utf-8?Q?=BA=D0=B8"?= Subject: [gdamjan:v7.1/imx471 2/2] drivers/media/i2c/imx471.c:809:37: warning: variable 'ret' is uninitialized when used here Message-ID: <202605061217.i3Ehi8UQ-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii tree: https://github.com/gdamjan/linux v7.1/imx471 head: 5e4a3f7372c3d9f499239c2476fcda1e8cc005d7 commit: 5e4a3f7372c3d9f499239c2476fcda1e8cc005d7 [2/2] media: i2c: imx471: Add Sony IMX471 image sensor driver config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20260506/202605061217.i3Ehi8UQ-lkp@intel.com/config) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260506/202605061217.i3Ehi8UQ-lkp@intel.com/reproduce) 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 | Closes: https://lore.kernel.org/oe-kbuild-all/202605061217.i3Ehi8UQ-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/media/i2c/imx471.c:809:37: warning: variable 'ret' is uninitialized when used here [-Wuninitialized] 809 | return dev_err_probe(sensor->dev, ret, | ^~~ drivers/media/i2c/imx471.c:805:9: note: initialize the variable 'ret' to silence this warning 805 | int ret; | ^ | = 0 1 warning generated. vim +/ret +809 drivers/media/i2c/imx471.c 796 797 static int imx471_check_hwcfg(struct imx471_data *sensor) 798 { 799 struct v4l2_fwnode_endpoint bus_cfg = { 800 .bus_type = V4L2_MBUS_CSI2_DPHY, 801 }; 802 struct fwnode_handle *ep, *fwnode = dev_fwnode(sensor->dev); 803 struct clk *clk; 804 unsigned long link_freq_bitmap; 805 int ret; 806 807 clk = devm_v4l2_sensor_clk_get(sensor->dev, NULL); 808 if (IS_ERR(clk)) > 809 return dev_err_probe(sensor->dev, ret, 810 "can't get clock frequency\n"); 811 812 if (clk_get_rate(clk) != IMX471_EXT_CLK) 813 return dev_err_probe(sensor->dev, -EINVAL, 814 "external clock %lu is not supported\n", 815 clk_get_rate(clk)); 816 817 ep = fwnode_graph_get_endpoint_by_id(fwnode, 0, 0, 0); 818 ret = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg); 819 fwnode_handle_put(ep); 820 if (ret) 821 return dev_err_probe(sensor->dev, ret, 822 "parsing endpoint failed"); 823 824 ret = v4l2_link_freq_to_bitmap(sensor->dev, bus_cfg.link_frequencies, 825 bus_cfg.nr_of_link_frequencies, 826 link_freq_menu_items, 827 ARRAY_SIZE(link_freq_menu_items), 828 &link_freq_bitmap); 829 830 if (ret == -ENOENT) 831 goto error_endpoint_free; 832 833 if (ret == -ENODATA) 834 goto error_endpoint_free; 835 836 error_endpoint_free: 837 v4l2_fwnode_endpoint_free(&bus_cfg); 838 839 return ret; 840 } 841 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki