Hi Arvind,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.10-rc7 next-20170209]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Arvind-Yadav/omapfb-dss-Handle-return-error-in-dss_init_ports/20170209-201712
config: arm-omap2plus_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm 

All error/warnings (new ones prefixed by >>):

   drivers/video/fbdev/omap2/omapfb/dss/dss.c: In function 'dss_init_ports':

quoted

drivers/video/fbdev/omap2/omapfb/dss/dss.c:987:3: error: implicit declaration of function 'dss_uninit_ports' [-Werror=implicit-function-declaration]

      dss_uninit_ports(pdev);
      ^~~~~~~~~~~~~~~~
   drivers/video/fbdev/omap2/omapfb/dss/dss.c: At top level:

quoted

drivers/video/fbdev/omap2/omapfb/dss/dss.c:992:13: warning: conflicting types for 'dss_uninit_ports'

    static void dss_uninit_ports(struct platform_device *pdev)
                ^~~~~~~~~~~~~~~~

quoted

drivers/video/fbdev/omap2/omapfb/dss/dss.c:992:13: error: static declaration of 'dss_uninit_ports' follows non-static declaration

   drivers/video/fbdev/omap2/omapfb/dss/dss.c:987:3: note: previous implicit declaration of 'dss_uninit_ports' was here
      dss_uninit_ports(pdev);
      ^~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/dss_uninit_ports +987 drivers/video/fbdev/omap2/omapfb/dss/dss.c

   981			default:
   982				break;
   983			}
   984		} while ((port = omapdss_of_get_next_port(parent, port)) != NULL);
   985	
   986		if (ret)
 > 987			dss_uninit_ports(pdev);
   988	
   989		return ret;
   990	}
   991	
 > 992	static void dss_uninit_ports(struct platform_device *pdev)
   993	{
   994		struct device_node *parent = pdev->dev.of_node;
   995		struct device_node *port;

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation