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Howlett" , Andrew Morton Cc: oe-kbuild-all@lists.linux.dev, Linux Memory Management List , linux-kernel@vger.kernel.org, maple-tree@lists.infradead.org, "Liam R. Howlett" Subject: Re: [PATCH 27/34] maple_tree: Introduce mas_next_slot() interface Message-ID: <202304262143.kjXZTgwU-lkp@intel.com> References: <20230425140955.3834476-28-Liam.Howlett@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230425140955.3834476-28-Liam.Howlett@oracle.com> X-Rspam-User: X-Rspamd-Queue-Id: 30E0EA0030 X-Rspamd-Server: rspam09 X-Stat-Signature: 6hzj6h91cwjx8u6xowpzwh7htsrqunun X-HE-Tag: 1682515058-951179 X-HE-Meta: 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 yrEWIqIn ENX64Xu9aFC0RzVyqCqsM1mkMYb3CF6v03Xud1Q1KAipTNMX4pq2snWo+QnPLW/tJ78Jhj5dODhi3dg7Z5IgmN5w+wYI/uLgD5A66GVvKJpbAwGky+DUDpQQXjGohZsk03dnOGQj8Tov8One553BfLV3r+IQzdRl+yiYUe1yhkr+q6yoIqXHdZhfnVKkcEsVyvA3QXMnKLtzgBtnG75bONDCpGiFK5Vl1JjUR+qK86y5CXi39G4D2OUUNKYdSSXd2be+l53WNEvDDyxS6iZ6LO3TBQUIfzLpYRPAP+knLXE/RvzYdOWZc8ENTokwBJJCPPQDDX4b/0xIfpbcDANczKFb3+5GdMngJ20LBHDxH5r9wswgTJ5NkZJpQdkqN6gs1MustnzOYMShGl+XNka3KiXvRU6cDTT/uy332jksDUNPm0UCkT0IQuMs1hA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi Liam, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master v6.3 next-20230425] [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/Liam-R-Howlett/maple_tree-Fix-static-analyser-cppcheck-issue/20230425-233958 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20230425140955.3834476-28-Liam.Howlett%40oracle.com patch subject: [PATCH 27/34] maple_tree: Introduce mas_next_slot() interface config: x86_64-kexec (https://download.01.org/0day-ci/archive/20230426/202304262143.kjXZTgwU-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/0e736b8a8054e7f0b216320d2458a00b54fcd2b0 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Liam-R-Howlett/maple_tree-Fix-static-analyser-cppcheck-issue/20230425-233958 git checkout 0e736b8a8054e7f0b216320d2458a00b54fcd2b0 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 olddefconfig make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202304262143.kjXZTgwU-lkp@intel.com/ All error/warnings (new ones prefixed by >>): lib/maple_tree.c:4710:7: warning: no previous prototype for 'mas_next_slot' [-Wmissing-prototypes] 4710 | void *mas_next_slot(struct ma_state *mas, unsigned long max) | ^~~~~~~~~~~~~ lib/maple_tree.c: In function 'mas_next_entry': >> lib/maple_tree.c:4780:17: error: implicit declaration of function 'mas_next_slot_limit'; did you mean 'mas_next_slot'? [-Werror=implicit-function-declaration] 4780 | entry = mas_next_slot_limit(mas, limit); | ^~~~~~~~~~~~~~~~~~~ | mas_next_slot >> lib/maple_tree.c:4780:15: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 4780 | entry = mas_next_slot_limit(mas, limit); | ^ >> lib/maple_tree.c:4787:16: warning: returning 'int' from a function with return type 'void *' makes pointer from integer without a cast [-Wint-conversion] 4787 | return mas_next_slot_limit(mas, limit); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +4780 lib/maple_tree.c 4760 4761 /* 4762 * mas_next_entry() - Internal function to get the next entry. 4763 * @mas: The maple state 4764 * @limit: The maximum range start. 4765 * 4766 * Set the @mas->node to the next entry and the range_start to 4767 * the beginning value for the entry. Does not check beyond @limit. 4768 * Sets @mas->index and @mas->last to the limit if it is hit. 4769 * Restarts on dead nodes. 4770 * 4771 * Return: the next entry or %NULL. 4772 */ 4773 static inline void *mas_next_entry(struct ma_state *mas, unsigned long limit) 4774 { 4775 void *entry = NULL; 4776 4777 if (mas->last >= limit) 4778 return NULL; 4779 > 4780 entry = mas_next_slot_limit(mas, limit); 4781 if (entry) 4782 return entry; 4783 4784 if (mas_is_none(mas)) 4785 return NULL; 4786 > 4787 return mas_next_slot_limit(mas, limit); 4788 } 4789 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests