Messages in this thread | | | Date | Fri, 5 Nov 2021 21:13:00 +0800 | From | kernel test robot <> | Subject | [dinguyen:socfpga-5.14_v1 31/121] drivers/video/fbdev/altvipfb2-plat.c:88:13: warning: variable 'retval' set but not used |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux.git socfpga-5.14_v1 head: cc7ba8d9b34b85acfbeefb77fa57c116c733c2c4 commit: 624fd922941d21e091defb0714379abba1d64cab [31/121] FogBugz #421702-2: implement Frame Buffer II for Display Port IP config: mips-allyesconfig (attached as .config) compiler: mips-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux.git/commit/?id=624fd922941d21e091defb0714379abba1d64cab git remote add dinguyen https://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux.git git fetch --no-tags dinguyen socfpga-5.14_v1 git checkout 624fd922941d21e091defb0714379abba1d64cab # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=mips
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
drivers/video/fbdev/altvipfb2-plat.c: In function 'altvipfb2_plat_probe': >> drivers/video/fbdev/altvipfb2-plat.c:88:13: warning: variable 'retval' set but not used [-Wunused-but-set-variable] 88 | int retval; | ^~~~~~
vim +/retval +88 drivers/video/fbdev/altvipfb2-plat.c
85 86 static int altvipfb2_plat_probe(struct platform_device *pdev) 87 { > 88 int retval; 89 90 struct device *dev = &pdev->dev; 91 struct resource *reg_res; 92 struct altvipfb2_priv *fbdev; 93 94 fbdev = devm_kzalloc(dev, sizeof(*fbdev), GFP_KERNEL); 95 if (!fbdev) 96 return -ENOMEM; 97 98 reg_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 99 if (!reg_res) 100 return -ENODEV; 101 102 fbdev->base = devm_ioremap_resource(dev, reg_res); 103 if (IS_ERR(fbdev->base)) { 104 dev_err(dev, "devm_ioremap_resource failed\n"); 105 retval = PTR_ERR(fbdev->base); 106 return -ENOMEM; 107 } 108 109 altvipfb2_of_setup(fbdev, pdev); 110 111 platform_set_drvdata(pdev, fbdev); 112 113 return altvipfb2_probe(dev, fbdev->base); 114 } 115
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