tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 3d155ae4358baf4831609c2f9cd09396a2b8badf commit: ebbd08f6b9f37cfe1c54d53de31515f2b6d949d6 [14057/15967] media: atomisp: re-enable warnings again config: x86_64-randconfig-r036-20200609 (attached as .config) compiler: gcc-5 (Ubuntu 5.5.0-12ubuntu1) 5.5.0 20171010 reproduce (this is a W=1 build): git checkout ebbd08f6b9f37cfe1c54d53de31515f2b6d949d6 # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): cc1: warning: drivers/staging/media/atomisp//pci/hive_isp_css_include/memory_access/: No such file or directory [-Wmissing-include-dirs] drivers/staging/media/atomisp/pci/atomisp_compat_css20.c: In function 'atomisp_css2_dbg_print': vprintk(fmt, args); ^ drivers/staging/media/atomisp/pci/atomisp_compat_css20.c: In function 'atomisp_css2_dbg_ftrace_print': drivers/staging/media/atomisp/pci/atomisp_compat_css20.c:165:2: warning: function might be possible candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] ftrace_vprintk(fmt, args); ^ drivers/staging/media/atomisp/pci/atomisp_compat_css20.c:165:2: warning: function might be possible candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] drivers/staging/media/atomisp/pci/atomisp_compat_css20.c: In function 'atomisp_css2_err_print': drivers/staging/media/atomisp/pci/atomisp_compat_css20.c:171:2: warning: function might be possible candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] vprintk(fmt, args); ^ -- cc1: warning: drivers/staging/media/atomisp//pci/hive_isp_css_include/memory_access/: No such file or directory [-Wmissing-include-dirs] void ia_css_isys_ibuf_rmgr_init(void) ^ void ia_css_isys_ibuf_rmgr_uninit(void) ^ bool ia_css_isys_ibuf_rmgr_acquire( ^ void ia_css_isys_ibuf_rmgr_release( ^ -- cc1: warning: drivers/staging/media/atomisp//pci/hive_isp_css_include/memory_access/: No such file or directory [-Wmissing-include-dirs] drivers/staging/media/atomisp/pci/runtime/isys/src/rx.c: In function 'ia_css_isys_rx_configure': bool port_enabled[N_MIPI_PORT_ID]; ^ vim +/gnu_printf +159 drivers/staging/media/atomisp/pci/atomisp_compat_css20.c ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/atomisp_compat_css20.c Mauro Carvalho Chehab 2020-04-19 156 ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/atomisp_compat_css20.c Mauro Carvalho Chehab 2020-04-19 157 static int atomisp_css2_dbg_print(const char *fmt, va_list args) ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/atomisp_compat_css20.c Mauro Carvalho Chehab 2020-04-19 158 { ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/atomisp_compat_css20.c Mauro Carvalho Chehab 2020-04-19 @159 vprintk(fmt, args); ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/atomisp_compat_css20.c Mauro Carvalho Chehab 2020-04-19 160 return 0; ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/atomisp_compat_css20.c Mauro Carvalho Chehab 2020-04-19 161 } ad85094b293e40 drivers/staging/media/atomisp/pci/atomisp2/atomisp_compat_css20.c Mauro Carvalho Chehab 2020-04-19 162 :::::: The code at line 159 was first introduced by commit :::::: ad85094b293e40e7a2f831b0311a389d952ebd5e Revert "media: staging: atomisp: Remove driver" :::::: TO: Mauro Carvalho Chehab <mchehab+huawei(a)kernel.org&gt; :::::: CC: Mauro Carvalho Chehab <mchehab+huawei(a)kernel.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org