linux-kernel - fs/ubifs/replay.c:71: warning: Function parameter or member 'hash' not described in 'replay

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Date:   Tue, 24 Oct 2023 20:00:23 +0800
From:   kernel test robot <lkp@...el.com>
To:     Sascha Hauer <s.hauer@...gutronix.de>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Richard Weinberger <richard@....at>
Subject: fs/ubifs/replay.c:71: warning: Function parameter or member 'hash'
 not described in 'replay_entry'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d88520ad73b79e71e3ddf08de335b8520ae41c5c
commit: 16a26b20d2afd0cf063816725b45b12e78d5bb31 ubifs: authentication: Add hashes to index nodes
date:   5 years ago
config: x86_64-randconfig-x012-20230629 (https://download.01.org/0day-ci/archive/20231024/202310241921.eZLWvBcv-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231024/202310241921.eZLWvBcv-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310241921.eZLWvBcv-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> fs/ubifs/replay.c:71: warning: Function parameter or member 'hash' not described in 'replay_entry'
>> fs/ubifs/replay.c:359: warning: Function parameter or member 'hash' not described in 'insert_node'
>> fs/ubifs/replay.c:408: warning: Function parameter or member 'hash' not described in 'insert_dent'
   fs/ubifs/replay.c:792: warning: Excess function parameter 'ref_lnum' description in 'validate_ref'
   fs/ubifs/replay.c:792: warning: Excess function parameter 'ref_offs' description in 'validate_ref'
   fs/ubifs/replay.o: warning: objtool: ubifs_validate_entry()+0x225: sibling call from callable instruction with modified stack frame
   fs/ubifs/replay.o: warning: objtool: replay_bud()+0x4e0: sibling call from callable instruction with modified stack frame


vim +71 fs/ubifs/replay.c

1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  37  
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  38  /**
debf12d54182b3 Artem Bityutskiy   2011-05-15  39   * struct replay_entry - replay list entry.
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  40   * @lnum: logical eraseblock number of the node
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  41   * @offs: node offset
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  42   * @len: node length
074bcb9b5ce698 Artem Bityutskiy   2011-05-15  43   * @deletion: non-zero if this entry corresponds to a node deletion
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  44   * @sqnum: node sequence number
debf12d54182b3 Artem Bityutskiy   2011-05-15  45   * @list: links the replay list
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  46   * @key: node key
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  47   * @nm: directory entry name
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  48   * @old_size: truncation old size
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  49   * @new_size: truncation new size
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  50   *
debf12d54182b3 Artem Bityutskiy   2011-05-15  51   * The replay process first scans all buds and builds the replay list, then
debf12d54182b3 Artem Bityutskiy   2011-05-15  52   * sorts the replay list in nodes sequence number order, and then inserts all
debf12d54182b3 Artem Bityutskiy   2011-05-15  53   * the replay entries to the TNC.
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  54   */
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  55  struct replay_entry {
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  56  	int lnum;
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  57  	int offs;
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  58  	int len;
16a26b20d2afd0 Sascha Hauer       2018-09-07  59  	u8 hash[UBIFS_HASH_ARR_SZ];
074bcb9b5ce698 Artem Bityutskiy   2011-05-15  60  	unsigned int deletion:1;
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  61  	unsigned long long sqnum;
debf12d54182b3 Artem Bityutskiy   2011-05-15  62  	struct list_head list;
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  63  	union ubifs_key key;
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  64  	union {
f4f61d2cc6d878 Richard Weinberger 2016-11-11  65  		struct fscrypt_name nm;
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  66  		struct {
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  67  			loff_t old_size;
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  68  			loff_t new_size;
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  69  		};
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  70  	};
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14 @71  };
1e51764a3c2ac0 Artem Bityutskiy   2008-07-14  72  

:::::: The code at line 71 was first introduced by commit
:::::: 1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d UBIFS: add new flash file system

:::::: TO: Artem Bityutskiy <Artem.Bityutskiy@...ia.com>
:::::: CC: Artem Bityutskiy <Artem.Bityutskiy@...ia.com>

-- 
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https://github.com/intel/lkp-tests/wiki