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Subject[dinguyen:socfpga-5.14_v1 31/121] drivers/video/fbdev/altvipfb2-plat.c:88:13: warning: variable 'retval' set but not used
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

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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