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From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: fs/erofs/data.c:143:15: warning: Assigned value is garbage or undefined [clang-analyzer-core.uninitialized.Assign]
Date: Tue, 25 Jan 2022 17:31:22 +0800	[thread overview]
Message-ID: <202201251717.CIBSvV2a-lkp@intel.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 22987 bytes --]

CC: llvm(a)lists.linux.dev
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Gao Xiang <hsiangkao@linux.alibaba.com>
CC: Yue Hu <huyue2@yulong.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   dd81e1c7d5fb126e5fbc5c9e334d7b3ec29a16a0
commit: 469407a3b5ed9390cfacb0363d1cc926a51f6a14 erofs: clean up erofs_map_blocks tracepoints
date:   7 weeks ago
:::::: branch date: 2 days ago
:::::: commit date: 7 weeks ago
config: x86_64-randconfig-c007 (https://download.01.org/0day-ci/archive/20220125/202201251717.CIBSvV2a-lkp(a)intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project f7b7138a62648f4019c55e4671682af1f851f295)
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=469407a3b5ed9390cfacb0363d1cc926a51f6a14
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 469407a3b5ed9390cfacb0363d1cc926a51f6a14
        # save the config file to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 clang-analyzer 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


clang-analyzer warnings: (new ones prefixed by >>)
   Suppressed 9 warnings (9 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   9 warnings generated.
   Suppressed 9 warnings (9 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   9 warnings generated.
   Suppressed 9 warnings (9 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   9 warnings generated.
   Suppressed 9 warnings (9 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   9 warnings generated.
   Suppressed 9 warnings (9 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   9 warnings generated.
   Suppressed 9 warnings (9 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   9 warnings generated.
   Suppressed 9 warnings (9 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   9 warnings generated.
   Suppressed 9 warnings (9 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   9 warnings generated.
   Suppressed 9 warnings (9 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   9 warnings generated.
   Suppressed 9 warnings (9 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   9 warnings generated.
   Suppressed 9 warnings (9 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   9 warnings generated.
   Suppressed 9 warnings (9 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   9 warnings generated.
   Suppressed 9 warnings (9 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   9 warnings generated.
   Suppressed 9 warnings (9 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   6 warnings generated.
   Suppressed 6 warnings (6 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   6 warnings generated.
   Suppressed 6 warnings (6 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   6 warnings generated.
   Suppressed 6 warnings (6 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   6 warnings generated.
   Suppressed 6 warnings (6 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   7 warnings generated.
   Suppressed 7 warnings (7 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   7 warnings generated.
   Suppressed 7 warnings (7 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   5 warnings generated.
   Suppressed 5 warnings (5 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   5 warnings generated.
   Suppressed 5 warnings (5 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   8 warnings generated.
   fs/gfs2/file.c:793:3: warning: Value stored to 'pages' is never read [clang-analyzer-deadcode.DeadStores]
                   pages = min(pages, nr_dirtied);
                   ^
   fs/gfs2/file.c:793:3: note: Value stored to 'pages' is never read
   Suppressed 7 warnings (7 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   8 warnings generated.
   fs/gfs2/ops_fstype.c:852:2: warning: Value stored to 'jindex' is never read [clang-analyzer-deadcode.DeadStores]
           jindex = 0;
           ^        ~
   fs/gfs2/ops_fstype.c:852:2: note: Value stored to 'jindex' is never read
           jindex = 0;
           ^        ~
   Suppressed 7 warnings (7 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   9 warnings generated.
   Suppressed 9 warnings (9 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   9 warnings generated.
   Suppressed 9 warnings (9 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   9 warnings generated.
   Suppressed 9 warnings (9 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   9 warnings generated.
   Suppressed 9 warnings (9 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   8 warnings generated.
   Suppressed 8 warnings (8 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   5 warnings generated.
   Suppressed 5 warnings (5 in non-user code).
   Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
   7 warnings generated.
>> fs/erofs/data.c:143:15: warning: Assigned value is garbage or undefined [clang-analyzer-core.uninitialized.Assign]
                   map->m_llen = map->m_plen;
                               ^
   fs/erofs/data.c:201:8: note: Calling 'erofs_map_blocks'
           ret = erofs_map_blocks(inode, &map, EROFS_GET_BLOCKS_RAW);
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   fs/erofs/data.c:81:2: note: Calling 'trace_erofs_map_blocks_enter'
           trace_erofs_map_blocks_enter(inode, map, flags);
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/trace/events/erofs.h:172:1: note: Taking false branch
   DEFINE_EVENT(erofs__map_blocks_enter, erofs_map_blocks_enter,
   ^
   include/linux/tracepoint.h:542:2: note: expanded from macro 'DEFINE_EVENT'
           DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
           ^
   include/linux/tracepoint.h:419:2: note: expanded from macro 'DECLARE_TRACE'
           __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args),              \
           ^
   include/linux/tracepoint.h:247:3: note: expanded from macro '__DECLARE_TRACE'
                   if (static_key_false(&__tracepoint_##name.key))         \
                   ^
   include/trace/events/erofs.h:172:1: note: Left side of '&&' is true
   DEFINE_EVENT(erofs__map_blocks_enter, erofs_map_blocks_enter,
   ^
   include/linux/tracepoint.h:542:2: note: expanded from macro 'DEFINE_EVENT'
           DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
           ^
   include/linux/tracepoint.h:419:2: note: expanded from macro 'DECLARE_TRACE'
           __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args),              \
           ^
   include/linux/tracepoint.h:251:7: note: expanded from macro '__DECLARE_TRACE'
                   if (IS_ENABLED(CONFIG_LOCKDEP) && (cond)) {             \
                       ^
   note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/kconfig.h:24:22: note: expanded from macro '__or'
   #define __or(x, y)                      ___or(x, y)
                                           ^
   include/linux/kconfig.h:25:23: note: expanded from macro '___or'
   #define ___or(x, y)                     ____or(__ARG_PLACEHOLDER_##x, y)
                                           ^
   include/linux/kconfig.h:26:65: note: expanded from macro '____or'
   #define ____or(arg1_or_junk, y)         __take_second_arg(arg1_or_junk 1, y)
                                                                          ^
   include/trace/events/erofs.h:172:1: note: Loop condition is false.  Exiting loop
   DEFINE_EVENT(erofs__map_blocks_enter, erofs_map_blocks_enter,
   ^
   include/linux/tracepoint.h:542:2: note: expanded from macro 'DEFINE_EVENT'
           DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
           ^
   include/linux/tracepoint.h:420:15: note: expanded from macro 'DECLARE_TRACE'
                           cpu_online(raw_smp_processor_id()),             \
                                      ^
   arch/x86/include/asm/smp.h:166:33: note: expanded from macro 'raw_smp_processor_id'
   #define raw_smp_processor_id()  this_cpu_read(cpu_number)
                                   ^
   include/linux/percpu-defs.h:507:29: note: expanded from macro 'this_cpu_read'
   #define this_cpu_read(pcp)              __pcpu_size_call_return(this_cpu_read_, pcp)
                                           ^
   include/linux/percpu-defs.h:319:2: note: expanded from macro '__pcpu_size_call_return'
           __verify_pcpu_ptr(&(variable));                                 \
           ^
   include/linux/percpu-defs.h:217:37: note: expanded from macro '__verify_pcpu_ptr'
   #define __verify_pcpu_ptr(ptr)                                          \
                                                                           ^
   include/trace/events/erofs.h:172:1: note: Control jumps to 'case 4:'  at line 172
   DEFINE_EVENT(erofs__map_blocks_enter, erofs_map_blocks_enter,
   ^
   include/linux/tracepoint.h:542:2: note: expanded from macro 'DEFINE_EVENT'
           DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
           ^
   include/linux/tracepoint.h:420:15: note: expanded from macro 'DECLARE_TRACE'
                           cpu_online(raw_smp_processor_id()),             \
                                      ^
   arch/x86/include/asm/smp.h:166:33: note: expanded from macro 'raw_smp_processor_id'
   #define raw_smp_processor_id()  this_cpu_read(cpu_number)
                                   ^
   include/linux/percpu-defs.h:507:29: note: expanded from macro 'this_cpu_read'
   #define this_cpu_read(pcp)              __pcpu_size_call_return(this_cpu_read_, pcp)
                                           ^
   include/linux/percpu-defs.h:320:2: note: expanded from macro '__pcpu_size_call_return'
           switch(sizeof(variable)) {                                      \
           ^
   include/trace/events/erofs.h:172:1: note:  Execution continues on line 172
   DEFINE_EVENT(erofs__map_blocks_enter, erofs_map_blocks_enter,
   ^
   include/linux/tracepoint.h:542:2: note: expanded from macro 'DEFINE_EVENT'
           DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
           ^
   include/linux/tracepoint.h:420:15: note: expanded from macro 'DECLARE_TRACE'
                           cpu_online(raw_smp_processor_id()),             \
                                      ^
   arch/x86/include/asm/smp.h:166:33: note: expanded from macro 'raw_smp_processor_id'
   #define raw_smp_processor_id()  this_cpu_read(cpu_number)
                                   ^
   include/linux/percpu-defs.h:507:29: note: expanded from macro 'this_cpu_read'
   #define this_cpu_read(pcp)              __pcpu_size_call_return(this_cpu_read_, pcp)
                                           ^
   include/linux/percpu-defs.h:323:42: note: expanded from macro '__pcpu_size_call_return'
           case 4: pscr_ret__ = stem##4(variable); break;                  \
                                                   ^
   include/trace/events/erofs.h:172:1: note: Assuming the condition is false

vim +143 fs/erofs/data.c

81781b02f9845b drivers/staging/erofs/data.c Gao Xiang 2018-07-26   68  
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   69  static int erofs_map_blocks(struct inode *inode,
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   70  			    struct erofs_map_blocks *map, int flags)
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   71  {
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   72  	struct super_block *sb = inode->i_sb;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   73  	struct erofs_inode *vi = EROFS_I(inode);
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   74  	struct erofs_inode_chunk_index *idx;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   75  	struct page *page;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   76  	u64 chunknr;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   77  	unsigned int unit;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   78  	erofs_off_t pos;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   79  	int err = 0;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   80  
469407a3b5ed93 fs/erofs/data.c              Gao Xiang 2021-12-09   81  	trace_erofs_map_blocks_enter(inode, map, flags);
dfeab2e95a75a4 fs/erofs/data.c              Gao Xiang 2021-10-14   82  	map->m_deviceid = 0;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   83  	if (map->m_la >= inode->i_size) {
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   84  		/* leave out-of-bound access unmapped */
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   85  		map->m_flags = 0;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   86  		map->m_plen = 0;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   87  		goto out;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   88  	}
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   89  
469407a3b5ed93 fs/erofs/data.c              Gao Xiang 2021-12-09   90  	if (vi->datalayout != EROFS_INODE_CHUNK_BASED) {
469407a3b5ed93 fs/erofs/data.c              Gao Xiang 2021-12-09   91  		err = erofs_map_blocks_flatmode(inode, map, flags);
469407a3b5ed93 fs/erofs/data.c              Gao Xiang 2021-12-09   92  		goto out;
469407a3b5ed93 fs/erofs/data.c              Gao Xiang 2021-12-09   93  	}
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   94  
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   95  	if (vi->chunkformat & EROFS_CHUNK_FORMAT_INDEXES)
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   96  		unit = sizeof(*idx);			/* chunk index */
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   97  	else
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   98  		unit = EROFS_BLOCK_MAP_ENTRY_SIZE;	/* block map */
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20   99  
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  100  	chunknr = map->m_la >> vi->chunkbits;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  101  	pos = ALIGN(iloc(EROFS_SB(sb), vi->nid) + vi->inode_isize +
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  102  		    vi->xattr_isize, unit) + unit * chunknr;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  103  
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  104  	page = erofs_get_meta_page(inode->i_sb, erofs_blknr(pos));
469407a3b5ed93 fs/erofs/data.c              Gao Xiang 2021-12-09  105  	if (IS_ERR(page)) {
469407a3b5ed93 fs/erofs/data.c              Gao Xiang 2021-12-09  106  		err = PTR_ERR(page);
469407a3b5ed93 fs/erofs/data.c              Gao Xiang 2021-12-09  107  		goto out;
469407a3b5ed93 fs/erofs/data.c              Gao Xiang 2021-12-09  108  	}
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  109  	map->m_la = chunknr << vi->chunkbits;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  110  	map->m_plen = min_t(erofs_off_t, 1UL << vi->chunkbits,
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  111  			    roundup(inode->i_size - map->m_la, EROFS_BLKSIZ));
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  112  
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  113  	/* handle block map */
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  114  	if (!(vi->chunkformat & EROFS_CHUNK_FORMAT_INDEXES)) {
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  115  		__le32 *blkaddr = page_address(page) + erofs_blkoff(pos);
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  116  
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  117  		if (le32_to_cpu(*blkaddr) == EROFS_NULL_ADDR) {
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  118  			map->m_flags = 0;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  119  		} else {
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  120  			map->m_pa = blknr_to_addr(le32_to_cpu(*blkaddr));
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  121  			map->m_flags = EROFS_MAP_MAPPED;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  122  		}
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  123  		goto out_unlock;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  124  	}
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  125  	/* parse chunk indexes */
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  126  	idx = page_address(page) + erofs_blkoff(pos);
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  127  	switch (le32_to_cpu(idx->blkaddr)) {
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  128  	case EROFS_NULL_ADDR:
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  129  		map->m_flags = 0;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  130  		break;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  131  	default:
dfeab2e95a75a4 fs/erofs/data.c              Gao Xiang 2021-10-14  132  		map->m_deviceid = le16_to_cpu(idx->device_id) &
dfeab2e95a75a4 fs/erofs/data.c              Gao Xiang 2021-10-14  133  			EROFS_SB(sb)->device_id_mask;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  134  		map->m_pa = blknr_to_addr(le32_to_cpu(idx->blkaddr));
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  135  		map->m_flags = EROFS_MAP_MAPPED;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  136  		break;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  137  	}
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  138  out_unlock:
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  139  	unlock_page(page);
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  140  	put_page(page);
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  141  out:
469407a3b5ed93 fs/erofs/data.c              Gao Xiang 2021-12-09  142  	if (!err)
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20 @143  		map->m_llen = map->m_plen;
469407a3b5ed93 fs/erofs/data.c              Gao Xiang 2021-12-09  144  	trace_erofs_map_blocks_exit(inode, map, flags, 0);
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  145  	return err;
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  146  }
c5aa903a59db27 fs/erofs/data.c              Gao Xiang 2021-08-20  147  

:::::: The code at line 143 was first introduced by commit
:::::: c5aa903a59db274554718cddfda9039913409ec9 erofs: support reading chunk-based uncompressed files

:::::: TO: Gao Xiang <hsiangkao@linux.alibaba.com>
:::::: CC: Gao Xiang <hsiangkao@linux.alibaba.com>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

                 reply	other threads:[~2022-01-25  9:31 UTC|newest]

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