Hi, [auto build test WARNING on v4.7-rc5] [also build test WARNING on next-20160628] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Saidgani-Musaev/Drivers-block-fixed-a-code-style-issue/20160629-025927 config: mips-jz4740 (attached as .config) compiler: mips-linux-gnu-gcc (Debian 5.3.1-8) 5.3.1 20160205 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=mips All warnings (new ones prefixed by >>): In file included from include/uapi/linux/posix_types.h:4:0, from include/uapi/linux/types.h:13, from include/linux/types.h:5, from include/linux/list.h:4, from include/linux/module.h:9, from drivers/block/loop.c:52: drivers/block/loop.c: In function 'max_loop_setup': >> include/linux/stddef.h:7:14: warning: passing argument 2 of 'kstrtol' makes >> integer from pointer without a cast [-Wint-conversion] #define NULL ((void *)0) ^ >> drivers/block/loop.c:2055:26: note: in expansion of macro 'NULL' max_loop = kstrtol(str, NULL, 0); ^ In file included from include/linux/list.h:8:0, from include/linux/module.h:9, from drivers/block/loop.c:52: include/linux/kernel.h:327:32: note: expected 'unsigned int' but argument is of type 'void *' static inline int __must_check kstrtol(const char *s, unsigned int base, long *res) ^ vim +/NULL +2055 drivers/block/loop.c 2039 2040 idr_for_each(&loop_index_idr, &loop_exit_cb, NULL); 2041 idr_destroy(&loop_index_idr); 2042 2043 blk_unregister_region(MKDEV(LOOP_MAJOR, 0), range); 2044 unregister_blkdev(LOOP_MAJOR, "loop"); 2045 2046 misc_deregister(&loop_misc); 2047 } 2048 2049 module_init(loop_init); 2050 module_exit(loop_exit); 2051 2052 #ifndef MODULE 2053 static int __init max_loop_setup(char *str) 2054 { > 2055 max_loop = kstrtol(str, NULL, 0); 2056 return 1; 2057 } 2058 2059 __setup("max_loop=", max_loop_setup); 2060 #endif --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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