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d="scan'208";a="5515537" Received: from lkp-server01.sh.intel.com (HELO 0caa9d2d175c) ([10.239.97.150]) by fmviesa010.fm.intel.com with ESMTP; 28 Oct 2026 18:05:54 -0700 Received: from kbuild by 0caa9d2d175c with local (Exim 4.98.2) (envelope-from ) id 1xMEaV-00000000ZQi-2j3Y; Thu, 29 Oct 2026 01:05:51 +0000 Date: Thu, 29 Oct 2026 09:05:09 +0800 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [android-common:android14-kiwi-6.1 374/374] lib/maple_tree.c:4736:7: warning: no previous prototype for 'mas_next_slot' Message-ID: <202610290855.wUnSBLgb-lkp@intel.com> User-Agent: s-nail v14.9.25 X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list Hi Liam, FYI, the error/warning still remains. tree: https://android.googlesource.com/kernel/common android14-kiwi-6.1 head: 0951885c34a0e48adda08777b026c61fed9613ea commit: 84719794e06c13fd9a3fd0c547af5bf9d76f7c3b [374/374] FROMGIT: maple_tree: introduce mas_next_slot() interface config: i386-allnoconfig (https://download.01.org/0day-ci/archive/20261029/202610290855.wUnSBLgb-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261029/202610290855.wUnSBLgb-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202610290855.wUnSBLgb-lkp@intel.com/ All warnings (new ones prefixed by >>): >> lib/maple_tree.c:4736:7: warning: no previous prototype for 'mas_next_slot' [-Wmissing-prototypes] 4736 | void *mas_next_slot(struct ma_state *mas, unsigned long max, bool empty) | ^~~~~~~~~~~~~ vim +/mas_next_slot +4736 lib/maple_tree.c 4726 4727 /* 4728 * mas_next_slot() - Get the entry in the next slot 4729 * 4730 * @mas: The maple state 4731 * @max: The maximum starting range 4732 * @empty: Can be empty 4733 * 4734 * Return: The entry in the next slot which is possibly NULL 4735 */ > 4736 void *mas_next_slot(struct ma_state *mas, unsigned long max, bool empty) 4737 { 4738 void __rcu **slots; 4739 unsigned long *pivots; 4740 unsigned long pivot; 4741 enum maple_type type; 4742 struct maple_node *node; 4743 unsigned char data_end; 4744 unsigned long save_point = mas->last; 4745 void *entry; 4746 4747 retry: 4748 node = mas_mn(mas); 4749 type = mte_node_type(mas->node); 4750 pivots = ma_pivots(node, type); 4751 data_end = ma_data_end(node, type, pivots, mas->max); 4752 if (unlikely(mas_rewalk_if_dead(mas, node, save_point))) 4753 goto retry; 4754 4755 again: 4756 if (mas->max >= max) { 4757 if (likely(mas->offset < data_end)) 4758 pivot = pivots[mas->offset]; 4759 else 4760 return NULL; /* must be mas->max */ 4761 4762 if (unlikely(mas_rewalk_if_dead(mas, node, save_point))) 4763 goto retry; 4764 4765 if (pivot >= max) 4766 return NULL; 4767 } 4768 4769 if (likely(mas->offset < data_end)) { 4770 mas->index = pivots[mas->offset] + 1; 4771 mas->offset++; 4772 if (likely(mas->offset < data_end)) 4773 mas->last = pivots[mas->offset]; 4774 else 4775 mas->last = mas->max; 4776 } else { 4777 if (mas_next_node(mas, node, max)) { 4778 mas_rewalk(mas, save_point); 4779 goto retry; 4780 } 4781 4782 if (mas_is_none(mas)) 4783 return NULL; 4784 4785 mas->offset = 0; 4786 mas->index = mas->min; 4787 node = mas_mn(mas); 4788 type = mte_node_type(mas->node); 4789 pivots = ma_pivots(node, type); 4790 mas->last = pivots[0]; 4791 } 4792 4793 slots = ma_slots(node, type); 4794 entry = mt_slot(mas->tree, slots, mas->offset); 4795 if (unlikely(mas_rewalk_if_dead(mas, node, save_point))) 4796 goto retry; 4797 4798 if (entry) 4799 return entry; 4800 4801 if (!empty) { 4802 if (!mas->offset) 4803 data_end = 2; 4804 goto again; 4805 } 4806 4807 return entry; 4808 } 4809 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki