Hi Samuel, kernel test robot noticed the following build errors:
[auto build test ERROR on bpf-next/master] [also build test ERROR on bpf/master shuah-kselftest/next shuah-kselftest/fixes linus/master v6.18 next-20251204] [cannot apply to bpf-next/net] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Samuel-Wu/bpf-Add-wakeup_source-iterator/20251204-111108 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/20251204025003.3162056-2-wusamuel%40google.com patch subject: [PATCH v1 1/4] bpf: Add wakeup_source iterator config: um-randconfig-r052-20251205 (https://download.01.org/0day-ci/archive/20251205/[email protected]/config) compiler: gcc-13 (Debian 13.3.0-16) 13.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251205/[email protected]/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All error/warnings (new ones prefixed by >>): kernel/bpf/wakeup_source_iter.c: In function 'wakeup_source_iter_seq_start': >> kernel/bpf/wakeup_source_iter.c:20:20: error: implicit declaration of >> function 'wakeup_sources_read_lock'; did you mean 'wakeup_source_register'? >> [-Werror=implicit-function-declaration] 20 | *srcuidx = wakeup_sources_read_lock(); | ^~~~~~~~~~~~~~~~~~~~~~~~ | wakeup_source_register >> kernel/bpf/wakeup_source_iter.c:22:14: error: implicit declaration of >> function 'wakeup_sources_walk_start'; did you mean 'wakeup_source_register'? >> [-Werror=implicit-function-declaration] 22 | ws = wakeup_sources_walk_start(); | ^~~~~~~~~~~~~~~~~~~~~~~~~ | wakeup_source_register >> kernel/bpf/wakeup_source_iter.c:22:12: warning: assignment to 'struct >> wakeup_source *' from 'int' makes pointer from integer without a cast >> [-Wint-conversion] 22 | ws = wakeup_sources_walk_start(); | ^ >> kernel/bpf/wakeup_source_iter.c:24:22: error: implicit declaration of >> function 'wakeup_sources_walk_next' [-Werror=implicit-function-declaration] 24 | ws = wakeup_sources_walk_next(ws); | ^~~~~~~~~~~~~~~~~~~~~~~~ kernel/bpf/wakeup_source_iter.c:24:20: warning: assignment to 'struct wakeup_source *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 24 | ws = wakeup_sources_walk_next(ws); | ^ kernel/bpf/wakeup_source_iter.c: In function 'wakeup_source_iter_seq_next': >> kernel/bpf/wakeup_source_iter.c:35:16: warning: returning 'int' from a >> function with return type 'void *' makes pointer from integer without a cast >> [-Wint-conversion] 35 | return wakeup_sources_walk_next(ws); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/bpf/wakeup_source_iter.c: In function 'wakeup_source_iter_seq_stop': >> kernel/bpf/wakeup_source_iter.c:43:17: error: implicit declaration of >> function 'wakeup_sources_read_unlock' [-Werror=implicit-function-declaration] 43 | wakeup_sources_read_unlock(*srcuidx); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +20 kernel/bpf/wakeup_source_iter.c 13 14 static void *wakeup_source_iter_seq_start(struct seq_file *seq, loff_t *pos) 15 { 16 int *srcuidx = seq->private; 17 struct wakeup_source *ws; 18 loff_t i; 19 > 20 *srcuidx = wakeup_sources_read_lock(); 21 > 22 ws = wakeup_sources_walk_start(); 23 for (i = 0; ws && i < *pos; i++) > 24 ws = wakeup_sources_walk_next(ws); 25 26 return ws; 27 } 28 29 static void *wakeup_source_iter_seq_next(struct seq_file *seq, void *v, loff_t *pos) 30 { 31 struct wakeup_source *ws = v; 32 33 ++*pos; 34 > 35 return wakeup_sources_walk_next(ws); 36 } 37 38 static void wakeup_source_iter_seq_stop(struct seq_file *seq, void *v) 39 { 40 int *srcuidx = seq->private; 41 42 if (*srcuidx >= 0) > 43 wakeup_sources_read_unlock(*srcuidx); 44 *srcuidx = -1; 45 } 46 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
