Messages in this thread | | | Date | Sat, 27 Aug 2022 18:47:58 +0800 | From | kernel test robot <> | Subject | [ammarfaizi2-block:tj/cgroup/for-6.1 4/6] mm/memcontrol.c:5114:24: warning: returning 'long int' from a function with return type 'struct mem_cgroup *' makes pointer from integer without a cast |
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tree: https://github.com/ammarfaizi2/linux-block tj/cgroup/for-6.1 head: 075b593f54f0f3883532cb750081cae6917bc8fe commit: fa7e439cf90ba23ea473d0b7d85efd02ae6ccf94 [4/6] cgroup: Homogenize cgroup_get_from_id() return value config: arc-randconfig-r043-20220827 (https://download.01.org/0day-ci/archive/20220827/202208271857.Dh4yH7Ka-lkp@intel.com/config) compiler: arc-elf-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/ammarfaizi2/linux-block/commit/fa7e439cf90ba23ea473d0b7d85efd02ae6ccf94 git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block tj/cgroup/for-6.1 git checkout fa7e439cf90ba23ea473d0b7d85efd02ae6ccf94 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
mm/memcontrol.c: In function 'mem_cgroup_get_from_ino': >> mm/memcontrol.c:5114:24: warning: returning 'long int' from a function with return type 'struct mem_cgroup *' makes pointer from integer without a cast [-Wint-conversion] 5114 | return PTR_ERR(cgrp); | ^~~~~~~~~~~~~
vim +5114 mm/memcontrol.c
5104 5105 #ifdef CONFIG_SHRINKER_DEBUG 5106 struct mem_cgroup *mem_cgroup_get_from_ino(unsigned long ino) 5107 { 5108 struct cgroup *cgrp; 5109 struct cgroup_subsys_state *css; 5110 struct mem_cgroup *memcg; 5111 5112 cgrp = cgroup_get_from_id(ino); 5113 if (IS_ERR(cgrp)) > 5114 return PTR_ERR(cgrp); 5115 5116 css = cgroup_get_e_css(cgrp, &memory_cgrp_subsys); 5117 if (css) 5118 memcg = container_of(css, struct mem_cgroup, css); 5119 else 5120 memcg = ERR_PTR(-ENOENT); 5121 5122 cgroup_put(cgrp); 5123 5124 return memcg; 5125 } 5126 #endif 5127
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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