tree: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git testing head: fd1e8bb8eb47fe6c5c8fc29b83b595b8cfbf3dc7 commit: d634f6b9cc37b15b7b8a457abb37cd7872e5a897 [72/75] iio: core: move debugfs data on the private iio dev info config: sparc64-randconfig-c021-20200629 (attached as .config) compiler: sparc64-linux-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): 168 | struct dentry *iio_get_debugfs_dentry(struct iio_dev *indio_dev) | ^~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/iio/industrialio-core.c:27: include/linux/iio/iio.h:724:30: note: previous definition of 'iio_get_debugfs_dentry' was here 724 | static inline struct dentry *iio_get_debugfs_dentry(struct iio_dev *indio_dev) | ^~~~~~~~~~~~~~~~~~~~~~ drivers/iio/industrialio-core.c: In function 'iio_get_debugfs_dentry': 171 | return iio_dev_opaque->debugfs_dentry; | ^~ drivers/iio/industrialio-core.c:172:1: warning: control reaches end of non-void function [-Wreturn-type] 172 | } | ^ vim +/iio_get_debugfs_dentry +168 drivers/iio/industrialio-core.c 167 169 { 170 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev); 172 } 173 EXPORT_SYMBOL_GPL(iio_get_debugfs_dentry); 174 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org