Hi Wentao, kernel test robot noticed the following build errors:
[auto build test ERROR on daeinki-drm-exynos/exynos-drm-next] [also build test ERROR on drm/drm-next drm-i915/for-linux-next drm-i915/for-linux-next-fixes drm-misc/drm-misc-next drm-tip/drm-tip linus/master rmk-arm/drm-armada-devel v7.1-rc3 next-20260508] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Wentao-Liang/drm-armada-fix-device_node-reference-leak-in-armada_lcd_bind/20260512-194755 base: https://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos.git exynos-drm-next patch link: https://lore.kernel.org/r/20260509091821.963513-1-vulab%40iscas.ac.cn patch subject: [PATCH] drm/armada: fix device_node reference leak in armada_lcd_bind() config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20260514/[email protected]/config) compiler: arm-linux-gnueabi-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260514/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All errors (new ones prefixed by >>): drivers/gpu/drm/armada/armada_crtc.c: In function 'armada_lcd_bind': >> drivers/gpu/drm/armada/armada_crtc.c:1039:9: error: 'ret' undeclared (first >> use in this function); did you mean 'res'? 1039 | ret = armada_drm_crtc_create(drm, dev, res, irq, variant, port); | ^~~ | res drivers/gpu/drm/armada/armada_crtc.c:1039:9: note: each undeclared identifier is reported only once for each function it appears in vim +1039 drivers/gpu/drm/armada/armada_crtc.c 1007 1008 static int 1009 armada_lcd_bind(struct device *dev, struct device *master, void *data) 1010 { 1011 struct platform_device *pdev = to_platform_device(dev); 1012 struct drm_device *drm = data; 1013 struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 1014 int irq = platform_get_irq(pdev, 0); 1015 const struct armada_variant *variant; 1016 struct device_node *port = NULL; 1017 struct device_node *np, *parent = dev->of_node; 1018 1019 if (irq < 0) 1020 return irq; 1021 1022 1023 variant = device_get_match_data(dev); 1024 if (!variant) 1025 return -ENXIO; 1026 1027 if (parent) { 1028 np = of_get_child_by_name(parent, "ports"); 1029 if (np) 1030 parent = np; 1031 port = of_get_child_by_name(parent, "port"); 1032 of_node_put(np); 1033 if (!port) { 1034 dev_err(dev, "no port node found in %pOF\n", parent); 1035 return -ENXIO; 1036 } 1037 } 1038 > 1039 ret = armada_drm_crtc_create(drm, dev, res, irq, variant, port); 1040 if (ret) 1041 of_node_put(port); 1042 return ret; 1043 } 1044 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
