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Date: Sun, 5 Nov 2023 16:35:20 +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:359: warning: Function parameter or member 'hash'
not described in 'insert_node'
Hi Sascha,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: aea6bf908d730b01bd264a8821159db9463c111c
commit: 16a26b20d2afd0cf063816725b45b12e78d5bb31 ubifs: authentication: Add hashes to index nodes
date: 5 years ago
config: x86_64-randconfig-012-20231101 (https://download.01.org/0day-ci/archive/20231105/202311051618.D7YUE1Rr-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/20231105/202311051618.D7YUE1Rr-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/202311051618.D7YUE1Rr-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()+0x257: sibling call from callable instruction with modified stack frame
fs/ubifs/replay.o: warning: objtool: replay_bud()+0x547: sibling call from callable instruction with modified stack frame
vim +359 fs/ubifs/replay.c
debf12d54182b3 Artem Bityutskiy 2011-05-15 334
debf12d54182b3 Artem Bityutskiy 2011-05-15 335 /**
debf12d54182b3 Artem Bityutskiy 2011-05-15 336 * insert_node - insert a node to the replay list
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 337 * @c: UBIFS file-system description object
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 338 * @lnum: node logical eraseblock number
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 339 * @offs: node offset
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 340 * @len: node length
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 341 * @key: node key
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 342 * @sqnum: sequence number
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 343 * @deletion: non-zero if this is a deletion
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 344 * @used: number of bytes in use in a LEB
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 345 * @old_size: truncation old size
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 346 * @new_size: truncation new size
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 347 *
debf12d54182b3 Artem Bityutskiy 2011-05-15 348 * This function inserts a scanned non-direntry node to the replay list. The
debf12d54182b3 Artem Bityutskiy 2011-05-15 349 * replay list contains @struct replay_entry elements, and we sort this list in
debf12d54182b3 Artem Bityutskiy 2011-05-15 350 * sequence number order before applying it. The replay list is applied at the
debf12d54182b3 Artem Bityutskiy 2011-05-15 351 * very end of the replay process. Since the list is sorted in sequence number
debf12d54182b3 Artem Bityutskiy 2011-05-15 352 * order, the older modifications are applied first. This function returns zero
debf12d54182b3 Artem Bityutskiy 2011-05-15 353 * in case of success and a negative error code in case of failure.
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 354 */
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 355 static int insert_node(struct ubifs_info *c, int lnum, int offs, int len,
16a26b20d2afd0 Sascha Hauer 2018-09-07 356 const u8 *hash, union ubifs_key *key,
16a26b20d2afd0 Sascha Hauer 2018-09-07 357 unsigned long long sqnum, int deletion, int *used,
16a26b20d2afd0 Sascha Hauer 2018-09-07 358 loff_t old_size, loff_t new_size)
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 @359 {
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 360 struct replay_entry *r;
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 361
515315a123af64 Artem Bityutskiy 2012-01-13 362 dbg_mntk(key, "add LEB %d:%d, key ", lnum, offs);
debf12d54182b3 Artem Bityutskiy 2011-05-15 363
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 364 if (key_inum(c, key) >= c->highest_inum)
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 365 c->highest_inum = key_inum(c, key);
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 366
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 367 r = kzalloc(sizeof(struct replay_entry), GFP_KERNEL);
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 368 if (!r)
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 369 return -ENOMEM;
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 370
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 371 if (!deletion)
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 372 *used += ALIGN(len, 8);
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 373 r->lnum = lnum;
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 374 r->offs = offs;
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 375 r->len = len;
16a26b20d2afd0 Sascha Hauer 2018-09-07 376 ubifs_copy_hash(c, hash, r->hash);
074bcb9b5ce698 Artem Bityutskiy 2011-05-15 377 r->deletion = !!deletion;
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 378 r->sqnum = sqnum;
074bcb9b5ce698 Artem Bityutskiy 2011-05-15 379 key_copy(c, key, &r->key);
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 380 r->old_size = old_size;
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 381 r->new_size = new_size;
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 382
debf12d54182b3 Artem Bityutskiy 2011-05-15 383 list_add_tail(&r->list, &c->replay_list);
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 384 return 0;
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 385 }
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 386
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 387 /**
debf12d54182b3 Artem Bityutskiy 2011-05-15 388 * insert_dent - insert a directory entry node into the replay list.
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 389 * @c: UBIFS file-system description object
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 390 * @lnum: node logical eraseblock number
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 391 * @offs: node offset
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 392 * @len: node length
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 393 * @key: node key
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 394 * @name: directory entry name
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 395 * @nlen: directory entry name length
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 396 * @sqnum: sequence number
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 397 * @deletion: non-zero if this is a deletion
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 398 * @used: number of bytes in use in a LEB
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 399 *
debf12d54182b3 Artem Bityutskiy 2011-05-15 400 * This function inserts a scanned directory entry node or an extended
debf12d54182b3 Artem Bityutskiy 2011-05-15 401 * attribute entry to the replay list. Returns zero in case of success and a
debf12d54182b3 Artem Bityutskiy 2011-05-15 402 * negative error code in case of failure.
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 403 */
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 404 static int insert_dent(struct ubifs_info *c, int lnum, int offs, int len,
16a26b20d2afd0 Sascha Hauer 2018-09-07 405 const u8 *hash, union ubifs_key *key,
16a26b20d2afd0 Sascha Hauer 2018-09-07 406 const char *name, int nlen, unsigned long long sqnum,
16a26b20d2afd0 Sascha Hauer 2018-09-07 407 int deletion, int *used)
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 @408 {
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 409 struct replay_entry *r;
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 410 char *nbuf;
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 411
515315a123af64 Artem Bityutskiy 2012-01-13 412 dbg_mntk(key, "add LEB %d:%d, key ", lnum, offs);
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 413 if (key_inum(c, key) >= c->highest_inum)
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 414 c->highest_inum = key_inum(c, key);
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 415
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 416 r = kzalloc(sizeof(struct replay_entry), GFP_KERNEL);
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 417 if (!r)
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 418 return -ENOMEM;
debf12d54182b3 Artem Bityutskiy 2011-05-15 419
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 420 nbuf = kmalloc(nlen + 1, GFP_KERNEL);
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 421 if (!nbuf) {
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 422 kfree(r);
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 423 return -ENOMEM;
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 424 }
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 425
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 426 if (!deletion)
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 427 *used += ALIGN(len, 8);
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 428 r->lnum = lnum;
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 429 r->offs = offs;
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 430 r->len = len;
16a26b20d2afd0 Sascha Hauer 2018-09-07 431 ubifs_copy_hash(c, hash, r->hash);
074bcb9b5ce698 Artem Bityutskiy 2011-05-15 432 r->deletion = !!deletion;
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 433 r->sqnum = sqnum;
074bcb9b5ce698 Artem Bityutskiy 2011-05-15 434 key_copy(c, key, &r->key);
f4f61d2cc6d878 Richard Weinberger 2016-11-11 435 fname_len(&r->nm) = nlen;
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 436 memcpy(nbuf, name, nlen);
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 437 nbuf[nlen] = '\0';
f4f61d2cc6d878 Richard Weinberger 2016-11-11 438 fname_name(&r->nm) = nbuf;
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 439
debf12d54182b3 Artem Bityutskiy 2011-05-15 440 list_add_tail(&r->list, &c->replay_list);
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 441 return 0;
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 442 }
1e51764a3c2ac0 Artem Bityutskiy 2008-07-14 443
:::::: The code at line 359 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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