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Message-ID: <201701131735.YZjI6jyI%fengguang.wu@intel.com>
Date: Fri, 13 Jan 2017 17:22:55 +0800
From: kbuild test robot <lkp@...el.com>
To: David Howells <dhowells@...hat.com>
Cc: kbuild-all@...org, arnd@...db.de, dhowells@...hat.com,
linux-kernel@...r.kernel.org, ruchandani.tina@...il.com,
linux-afs@...ts.infradead.org
Subject: Re: [PATCH 1/2] afs: Move UUID struct to linux/uuid.h
Hi David,
[auto build test ERROR on linus/master]
[also build test ERROR on v4.10-rc3 next-20170113]
[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/David-Howells/afs-Move-UUID-struct-to-linux-uuid-h/20170113-134212
config: x86_64-randconfig-s4-01131622 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All errors (new ones prefixed by >>):
fs/afs/cmservice.c: In function 'afs_deliver_cb_init_call_back_state3':
>> fs/afs/cmservice.c:365:34: error: invalid application of 'sizeof' to incomplete type 'struct uuid_v1'
call->request = kmalloc(sizeof(struct uuid_v1), GFP_KERNEL);
^~~~~~
>> fs/afs/cmservice.c:371:4: error: dereferencing pointer to incomplete type 'struct uuid_v1'
r->time_low = b[0];
^~
fs/afs/cmservice.c: In function 'SRXAFSCB_ProbeUuid':
fs/afs/cmservice.c:449:33: error: invalid application of 'sizeof' to incomplete type 'struct uuid_v1'
if (memcmp(r, &afs_uuid, sizeof(afs_uuid)) == 0)
^
fs/afs/cmservice.c: In function 'afs_deliver_cb_probe_uuid':
fs/afs/cmservice.c:489:34: error: invalid application of 'sizeof' to incomplete type 'struct uuid_v1'
call->request = kmalloc(sizeof(struct uuid_v1), GFP_KERNEL);
^~~~~~
fs/afs/cmservice.c: In function 'SRXAFSCB_TellMeAboutYourself':
>> fs/afs/cmservice.c:557:2: error: invalid use of undefined type 'struct uuid_v1'
reply.ia.uuid[0] = afs_uuid.time_low;
^~~~~
fs/afs/cmservice.c:558:2: error: invalid use of undefined type 'struct uuid_v1'
reply.ia.uuid[1] = htonl(ntohl(afs_uuid.time_mid));
^~~~~
fs/afs/cmservice.c:559:2: error: invalid use of undefined type 'struct uuid_v1'
reply.ia.uuid[2] = htonl(ntohl(afs_uuid.time_hi_and_version));
^~~~~
fs/afs/cmservice.c:560:2: error: invalid use of undefined type 'struct uuid_v1'
reply.ia.uuid[3] = htonl((s8) afs_uuid.clock_seq_hi_and_reserved);
^~~~~
fs/afs/cmservice.c:561:2: error: invalid use of undefined type 'struct uuid_v1'
reply.ia.uuid[4] = htonl((s8) afs_uuid.clock_seq_low);
^~~~~
fs/afs/cmservice.c:563:3: error: invalid use of undefined type 'struct uuid_v1'
reply.ia.uuid[loop + 5] = htonl((s8) afs_uuid.node[loop]);
^~~~~
--
fs/afs/main.c: In function 'afs_get_client_UUID':
>> fs/afs/main.c:48:2: error: invalid use of undefined type 'struct uuid_v1'
ret = afs_get_MAC_address(afs_uuid.node, sizeof(afs_uuid.node));
^~~
>> fs/afs/main.c:48:2: error: invalid use of undefined type 'struct uuid_v1'
>> fs/afs/main.c:55:14: error: 'UUID_TO_UNIX_TIME' undeclared (first use in this function)
uuidtime += UUID_TO_UNIX_TIME;
^~~~~~~~~~~~~~~~~
fs/afs/main.c:55:14: note: each undeclared identifier is reported only once for each function it appears in
fs/afs/main.c:56:2: error: invalid use of undefined type 'struct uuid_v1'
afs_uuid.time_low = htonl(uuidtime);
^~~~~~~~
fs/afs/main.c:57:2: error: invalid use of undefined type 'struct uuid_v1'
afs_uuid.time_mid = htons(uuidtime >> 32);
^~~~~~~~
>> fs/afs/main.c:58:28: error: 'UUID_TIMEHI_MASK' undeclared (first use in this function)
hi_v = (uuidtime >> 48) & UUID_TIMEHI_MASK;
^~~~~~~~~~~~~~~~
>> fs/afs/main.c:59:10: error: 'UUID_VERSION_TIME' undeclared (first use in this function)
hi_v |= UUID_VERSION_TIME;
^~~~~~~~~~~~~~~~~
fs/afs/main.c:60:2: error: invalid use of undefined type 'struct uuid_v1'
afs_uuid.time_hi_and_version = htons(hi_v);
^~~~~~~~
fs/afs/main.c:63:2: error: invalid use of undefined type 'struct uuid_v1'
afs_uuid.clock_seq_low = clockseq;
^~~~~~~~
fs/afs/main.c:64:2: error: invalid use of undefined type 'struct uuid_v1'
afs_uuid.clock_seq_hi_and_reserved =
^~~~~~~~
>> fs/afs/main.c:65:21: error: 'UUID_CLOCKHI_MASK' undeclared (first use in this function)
(clockseq >> 8) & UUID_CLOCKHI_MASK;
^~~~~~~~~~~~~~~~~
fs/afs/main.c:66:2: error: invalid use of undefined type 'struct uuid_v1'
afs_uuid.clock_seq_hi_and_reserved |= UUID_VARIANT_STD;
^~~~~~~~
>> fs/afs/main.c:66:40: error: 'UUID_VARIANT_STD' undeclared (first use in this function)
afs_uuid.clock_seq_hi_and_reserved |= UUID_VARIANT_STD;
^~~~~~~~~~~~~~~~
fs/afs/main.c:68:2: error: invalid use of undefined type 'struct uuid_v1'
_debug("AFS UUID: %08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
^~~~~~
fs/afs/main.c:68:2: error: invalid use of undefined type 'struct uuid_v1'
fs/afs/main.c:68:2: error: invalid use of undefined type 'struct uuid_v1'
fs/afs/main.c:68:2: error: invalid use of undefined type 'struct uuid_v1'
fs/afs/main.c:68:2: error: invalid use of undefined type 'struct uuid_v1'
fs/afs/main.c:68:2: error: invalid use of undefined type 'struct uuid_v1'
fs/afs/main.c:68:2: error: invalid use of undefined type 'struct uuid_v1'
fs/afs/main.c:68:2: error: invalid use of undefined type 'struct uuid_v1'
fs/afs/main.c:68:2: error: invalid use of undefined type 'struct uuid_v1'
fs/afs/main.c:68:2: error: invalid use of undefined type 'struct uuid_v1'
fs/afs/main.c:68:2: error: invalid use of undefined type 'struct uuid_v1'
fs/afs/main.c: At top level:
>> fs/afs/main.c:33:16: error: storage size of 'afs_uuid' isn't known
struct uuid_v1 afs_uuid;
^~~~~~~~
vim +365 fs/afs/cmservice.c
359 case 0: break;
360 case -EAGAIN: return 0;
361 default: return ret;
362 }
363
364 _debug("unmarshall UUID");
> 365 call->request = kmalloc(sizeof(struct uuid_v1), GFP_KERNEL);
366 if (!call->request)
367 return -ENOMEM;
368
369 b = call->buffer;
370 r = call->request;
> 371 r->time_low = b[0];
372 r->time_mid = htons(ntohl(b[1]));
373 r->time_hi_and_version = htons(ntohl(b[2]));
374 r->clock_seq_hi_and_reserved = ntohl(b[3]);
375 r->clock_seq_low = ntohl(b[4]);
376
377 for (loop = 0; loop < 6; loop++)
378 r->node[loop] = ntohl(b[loop + 5]);
379
380 call->offset = 0;
381 call->unmarshall++;
382
383 case 2:
384 break;
385 }
386
387 /* no unmarshalling required */
388 call->state = AFS_CALL_REPLYING;
389
390 /* we'll need the file server record as that tells us which set of
391 * vnodes to operate upon */
392 server = afs_find_server(&srx);
393 if (!server)
394 return -ENOTCONN;
395 call->server = server;
396
397 INIT_WORK(&call->work, SRXAFSCB_InitCallBackState);
398 queue_work(afs_wq, &call->work);
399 return 0;
400 }
401
402 /*
403 * allow the fileserver to see if the cache manager is still alive
404 */
405 static void SRXAFSCB_Probe(struct work_struct *work)
406 {
407 struct afs_call *call = container_of(work, struct afs_call, work);
408
409 _enter("");
410 afs_send_empty_reply(call);
411 _leave("");
412 }
413
414 /*
415 * deliver request data to a CB.Probe call
416 */
417 static int afs_deliver_cb_probe(struct afs_call *call)
418 {
419 int ret;
420
421 _enter("");
422
423 ret = afs_extract_data(call, NULL, 0, false);
424 if (ret < 0)
425 return ret;
426
427 /* no unmarshalling required */
428 call->state = AFS_CALL_REPLYING;
429
430 INIT_WORK(&call->work, SRXAFSCB_Probe);
431 queue_work(afs_wq, &call->work);
432 return 0;
433 }
434
435 /*
436 * allow the fileserver to quickly find out if the fileserver has been rebooted
437 */
438 static void SRXAFSCB_ProbeUuid(struct work_struct *work)
439 {
440 struct afs_call *call = container_of(work, struct afs_call, work);
441 struct uuid_v1 *r = call->request;
442
443 struct {
444 __be32 match;
445 } reply;
446
447 _enter("");
448
> 449 if (memcmp(r, &afs_uuid, sizeof(afs_uuid)) == 0)
450 reply.match = htonl(0);
451 else
452 reply.match = htonl(1);
453
454 afs_send_simple_reply(call, &reply, sizeof(reply));
455 _leave("");
456 }
457
458 /*
459 * deliver request data to a CB.ProbeUuid call
460 */
461 static int afs_deliver_cb_probe_uuid(struct afs_call *call)
462 {
463 struct uuid_v1 *r;
464 unsigned loop;
465 __be32 *b;
466 int ret;
467
468 _enter("{%u}", call->unmarshall);
469
470 switch (call->unmarshall) {
471 case 0:
472 call->offset = 0;
473 call->buffer = kmalloc(11 * sizeof(__be32), GFP_KERNEL);
474 if (!call->buffer)
475 return -ENOMEM;
476 call->unmarshall++;
477
478 case 1:
479 _debug("extract UUID");
480 ret = afs_extract_data(call, call->buffer,
481 11 * sizeof(__be32), false);
482 switch (ret) {
483 case 0: break;
484 case -EAGAIN: return 0;
485 default: return ret;
486 }
487
488 _debug("unmarshall UUID");
489 call->request = kmalloc(sizeof(struct uuid_v1), GFP_KERNEL);
490 if (!call->request)
491 return -ENOMEM;
492
493 b = call->buffer;
494 r = call->request;
495 r->time_low = ntohl(b[0]);
496 r->time_mid = ntohl(b[1]);
497 r->time_hi_and_version = ntohl(b[2]);
498 r->clock_seq_hi_and_reserved = ntohl(b[3]);
499 r->clock_seq_low = ntohl(b[4]);
500
501 for (loop = 0; loop < 6; loop++)
502 r->node[loop] = ntohl(b[loop + 5]);
503
504 call->offset = 0;
505 call->unmarshall++;
506
507 case 2:
508 break;
509 }
510
511 call->state = AFS_CALL_REPLYING;
512
513 INIT_WORK(&call->work, SRXAFSCB_ProbeUuid);
514 queue_work(afs_wq, &call->work);
515 return 0;
516 }
517
518 /*
519 * allow the fileserver to ask about the cache manager's capabilities
520 */
521 static void SRXAFSCB_TellMeAboutYourself(struct work_struct *work)
522 {
523 struct afs_interface *ifs;
524 struct afs_call *call = container_of(work, struct afs_call, work);
525 int loop, nifs;
526
527 struct {
528 struct /* InterfaceAddr */ {
529 __be32 nifs;
530 __be32 uuid[11];
531 __be32 ifaddr[32];
532 __be32 netmask[32];
533 __be32 mtu[32];
534 } ia;
535 struct /* Capabilities */ {
536 __be32 capcount;
537 __be32 caps[1];
538 } cap;
539 } reply;
540
541 _enter("");
542
543 nifs = 0;
544 ifs = kcalloc(32, sizeof(*ifs), GFP_KERNEL);
545 if (ifs) {
546 nifs = afs_get_ipv4_interfaces(ifs, 32, false);
547 if (nifs < 0) {
548 kfree(ifs);
549 ifs = NULL;
550 nifs = 0;
551 }
552 }
553
554 memset(&reply, 0, sizeof(reply));
555 reply.ia.nifs = htonl(nifs);
556
> 557 reply.ia.uuid[0] = afs_uuid.time_low;
558 reply.ia.uuid[1] = htonl(ntohl(afs_uuid.time_mid));
559 reply.ia.uuid[2] = htonl(ntohl(afs_uuid.time_hi_and_version));
560 reply.ia.uuid[3] = htonl((s8) afs_uuid.clock_seq_hi_and_reserved);
---
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