CC: [email protected] In-Reply-To: <22bededbd502e0df45326a54b3056941de65a101.1617831474.git....@dxuuu.xyz> References: <22bededbd502e0df45326a54b3056941de65a101.1617831474.git....@dxuuu.xyz> TO: Daniel Xu <[email protected]>
Hi Daniel, [FYI, it's a private test report for your RFC patch.] [auto build test WARNING on bpf-next/master] url: https://github.com/0day-ci/linux/commits/Daniel-Xu/bpf-Add-page-cache-iterator/20210408-054827 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master :::::: branch date: 5 hours ago :::::: commit date: 5 hours ago config: x86_64-randconfig-m001-20210407 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> smatch warnings: kernel/bpf/pagecache_iter.c:29 goto_next_sb() warn: ignoring unreachable code. vim +29 kernel/bpf/pagecache_iter.c 674847b59009ed Daniel Xu 2021-04-07 22 674847b59009ed Daniel Xu 2021-04-07 23 static struct super_block *goto_next_sb(struct bpf_iter_seq_pagecache_info *info) 674847b59009ed Daniel Xu 2021-04-07 24 { 674847b59009ed Daniel Xu 2021-04-07 25 struct super_block *sb = NULL; 674847b59009ed Daniel Xu 2021-04-07 26 struct radix_tree_iter iter; 674847b59009ed Daniel Xu 2021-04-07 27 void **slot; 674847b59009ed Daniel Xu 2021-04-07 28 674847b59009ed Daniel Xu 2021-04-07 @29 radix_tree_for_each_slot(slot, &info->superblocks, &iter, 674847b59009ed Daniel Xu 2021-04-07 30 ((unsigned long)info->cur_sb + 1)) { 674847b59009ed Daniel Xu 2021-04-07 31 sb = (struct super_block *)iter.index; 674847b59009ed Daniel Xu 2021-04-07 32 break; 674847b59009ed Daniel Xu 2021-04-07 33 } 674847b59009ed Daniel Xu 2021-04-07 34 674847b59009ed Daniel Xu 2021-04-07 35 info->cur_sb = sb; 674847b59009ed Daniel Xu 2021-04-07 36 info->cur_inode = NULL; 674847b59009ed Daniel Xu 2021-04-07 37 info->cur_page_idx = 0; 674847b59009ed Daniel Xu 2021-04-07 38 return sb; 674847b59009ed Daniel Xu 2021-04-07 39 } 674847b59009ed Daniel Xu 2021-04-07 40 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
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