Re: [PATCH 7/7] Create generated/random_init.h, used by random driver

From: kbuild test robot
Date: Sat Nov 07 2015 - 16:21:01 EST


Hi Sandy,

[auto build test ERROR on: char-misc/char-misc-testing]
[also build test ERROR on: v4.3 next-20151106]

url: https://github.com/0day-ci/linux/commits/Sandy-Harris/A-couple-of-generated-files/20151107-223540
config: x86_64-allmodconfig (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All error/warnings (new ones prefixed by >>):

drivers/char/random_gcm.c:2366:28: sparse: non-ANSI function declaration of function 'mix_const_all'
drivers/char/random_gcm.c:2379:21: sparse: non-ANSI function declaration of function 'big_mix'
drivers/char/random_gcm.c:2443:21: sparse: non-ANSI function declaration of function 'top_mix'
drivers/char/random_gcm.c:2518:26: sparse: non-ANSI function declaration of function 'clear_addmul'
drivers/char/random_gcm.c:3208:25: sparse: non-ANSI function declaration of function 'init_random'
drivers/char/random_gcm.c:3571:26: sparse: non-ANSI function declaration of function 'counter_any'
drivers/char/random_gcm.c:3652:23: sparse: non-ANSI function declaration of function 'load_input'
drivers/char/random_gcm.c:3702:27: sparse: non-ANSI function declaration of function 'load_constants'
drivers/char/random_gcm.c:477:14: sparse: undefined identifier 'constants'
drivers/char/random_gcm.c:478:14: sparse: undefined identifier 'constants'
drivers/char/random_gcm.c:496:14: sparse: undefined identifier 'constants'
drivers/char/random_gcm.c:497:14: sparse: undefined identifier 'constants'
drivers/char/random_gcm.c:514:14: sparse: undefined identifier 'constants'
drivers/char/random_gcm.c:515:14: sparse: undefined identifier 'constants'
drivers/char/random_gcm.c:530:14: sparse: undefined identifier 'constants'
drivers/char/random_gcm.c:531:14: sparse: undefined identifier 'constants'
drivers/char/random_gcm.c:3471:25: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3474:25: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3477:25: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3488:25: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3495:25: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3496:25: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3497:25: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3517:9: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3541:9: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3547:17: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3555:24: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3555:58: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3555:51: sparse: cast from unknown type
drivers/char/random_gcm.c:3560:17: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3709:58: sparse: undefined identifier 'ARRAY_WORDS'
drivers/char/random_gcm.c:3709:25: sparse: undefined identifier 'constants'
drivers/char/random_gcm.c:2371:19: sparse: undefined identifier 'constants'
drivers/char/random_gcm.c:2652:38: sparse: undefined identifier 'counter'
>> drivers/char/random_gcm.c:477:7: error: 'constants' undeclared here (not in a function)
.A = constants,
^
drivers/char/random_gcm.c: In function 'mix_first':
>> drivers/char/random_gcm.c:2652:31: error: 'counter' undeclared (first use in this function)
addmul( (u8 *) accum, (u8 *) counter, 16, (u8 *) r->B) ;
^
drivers/char/random_gcm.c:2652:31: note: each undeclared identifier is reported only once for each function it appears in
drivers/char/random_gcm.c: In function 'count':
drivers/char/random_gcm.c:3471:4: error: 'counter' undeclared (first use in this function)
counter[1] += counter[3] ;
^
drivers/char/random_gcm.c: In function 'buffer2counter':
drivers/char/random_gcm.c:3541:2: error: 'counter' undeclared (first use in this function)
counter[0] ^= jiffies ;
^
drivers/char/random_gcm.c: In function 'load_constants':
>> drivers/char/random_gcm.c:3709:27: warning: left-hand operand of comma expression has no effect [-Wunused-value]
for( i = 0, p = constants, ret = 1 ; ret && (i < ARRAY_WORDS) ; i++, p++ ) {
^
>> drivers/char/random_gcm.c:3709:51: error: 'ARRAY_WORDS' undeclared (first use in this function)
for( i = 0, p = constants, ret = 1 ; ret && (i < ARRAY_WORDS) ; i++, p++ ) {
^

sparse warnings: (new ones prefixed by >>)

drivers/char/random_gcm.c:2366:28: sparse: non-ANSI function declaration of function 'mix_const_all'
drivers/char/random_gcm.c:2379:21: sparse: non-ANSI function declaration of function 'big_mix'
drivers/char/random_gcm.c:2443:21: sparse: non-ANSI function declaration of function 'top_mix'
drivers/char/random_gcm.c:2518:26: sparse: non-ANSI function declaration of function 'clear_addmul'
drivers/char/random_gcm.c:3208:25: sparse: non-ANSI function declaration of function 'init_random'
drivers/char/random_gcm.c:3571:26: sparse: non-ANSI function declaration of function 'counter_any'
drivers/char/random_gcm.c:3652:23: sparse: non-ANSI function declaration of function 'load_input'
drivers/char/random_gcm.c:3702:27: sparse: non-ANSI function declaration of function 'load_constants'
drivers/char/random_gcm.c:477:14: sparse: undefined identifier 'constants'
drivers/char/random_gcm.c:478:14: sparse: undefined identifier 'constants'
drivers/char/random_gcm.c:496:14: sparse: undefined identifier 'constants'
drivers/char/random_gcm.c:497:14: sparse: undefined identifier 'constants'
drivers/char/random_gcm.c:514:14: sparse: undefined identifier 'constants'
drivers/char/random_gcm.c:515:14: sparse: undefined identifier 'constants'
drivers/char/random_gcm.c:530:14: sparse: undefined identifier 'constants'
drivers/char/random_gcm.c:531:14: sparse: undefined identifier 'constants'
drivers/char/random_gcm.c:3471:25: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3474:25: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3477:25: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3488:25: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3495:25: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3496:25: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3497:25: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3517:9: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3541:9: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3547:17: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3555:24: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3555:58: sparse: undefined identifier 'counter'
>> drivers/char/random_gcm.c:3555:51: sparse: cast from unknown type
drivers/char/random_gcm.c:3560:17: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:3709:58: sparse: undefined identifier 'ARRAY_WORDS'
drivers/char/random_gcm.c:3709:25: sparse: undefined identifier 'constants'
drivers/char/random_gcm.c:2371:19: sparse: undefined identifier 'constants'
drivers/char/random_gcm.c:2652:38: sparse: undefined identifier 'counter'
drivers/char/random_gcm.c:477:7: error: 'constants' undeclared here (not in a function)
.A = constants,
^
drivers/char/random_gcm.c: In function 'mix_first':
drivers/char/random_gcm.c:2652:31: error: 'counter' undeclared (first use in this function)
addmul( (u8 *) accum, (u8 *) counter, 16, (u8 *) r->B) ;
^
drivers/char/random_gcm.c:2652:31: note: each undeclared identifier is reported only once for each function it appears in
drivers/char/random_gcm.c: In function 'count':
drivers/char/random_gcm.c:3471:4: error: 'counter' undeclared (first use in this function)
counter[1] += counter[3] ;
^
drivers/char/random_gcm.c: In function 'buffer2counter':
drivers/char/random_gcm.c:3541:2: error: 'counter' undeclared (first use in this function)
counter[0] ^= jiffies ;
^
drivers/char/random_gcm.c: In function 'load_constants':
drivers/char/random_gcm.c:3709:27: warning: left-hand operand of comma expression has no effect [-Wunused-value]
for( i = 0, p = constants, ret = 1 ; ret && (i < ARRAY_WORDS) ; i++, p++ ) {
^
drivers/char/random_gcm.c:3709:51: error: 'ARRAY_WORDS' undeclared (first use in this function)
for( i = 0, p = constants, ret = 1 ; ret && (i < ARRAY_WORDS) ; i++, p++ ) {
^

vim +/constants +477 drivers/char/random_gcm.c

da17cbfa Sandy Harris 2015-11-07 461 unsigned int initialized:1;
da17cbfa Sandy Harris 2015-11-07 462 unsigned int limit:1;
da17cbfa Sandy Harris 2015-11-07 463 unsigned int last_data_init:1;
da17cbfa Sandy Harris 2015-11-07 464 __u8 last_data[EXTRACT_SIZE];
da17cbfa Sandy Harris 2015-11-07 465 u32 *A, *B, which, count ;
da17cbfa Sandy Harris 2015-11-07 466 u32 *p, *q, *end, size ;
da17cbfa Sandy Harris 2015-11-07 467 };
da17cbfa Sandy Harris 2015-11-07 468
da17cbfa Sandy Harris 2015-11-07 469 static void push_to_pool(struct work_struct *work);
da17cbfa Sandy Harris 2015-11-07 470
da17cbfa Sandy Harris 2015-11-07 471 static struct entropy_store input_pool = {
da17cbfa Sandy Harris 2015-11-07 472 .poolinfo = &poolinfo_table[0],
da17cbfa Sandy Harris 2015-11-07 473 .name = "input",
da17cbfa Sandy Harris 2015-11-07 474 .limit = 1,
da17cbfa Sandy Harris 2015-11-07 475 .lock = __SPIN_LOCK_UNLOCKED(input_pool.lock),
da17cbfa Sandy Harris 2015-11-07 476 .pool = pools,
da17cbfa Sandy Harris 2015-11-07 @477 .A = constants,
da17cbfa Sandy Harris 2015-11-07 478 .B = constants+4,
da17cbfa Sandy Harris 2015-11-07 479 .which = 0,
da17cbfa Sandy Harris 2015-11-07 480 .count = 0,
da17cbfa Sandy Harris 2015-11-07 481 .size = INPUT_POOL_WORDS,
da17cbfa Sandy Harris 2015-11-07 482 .p = pools,
da17cbfa Sandy Harris 2015-11-07 483 .q = pools + (INPUT_POOL_WORDS/2),
da17cbfa Sandy Harris 2015-11-07 484 .end = pools + INPUT_POOL_WORDS
da17cbfa Sandy Harris 2015-11-07 485 };

:::::: The code at line 477 was first introduced by commit
:::::: da17cbfaa5c53120c6c5797cf2dc6bd4123b6869 Different version of driver using hash from AES-GCM Compiled if CONFIG_RANDOM_GCM=y

:::::: TO: Sandy Harris <sandyinchina@xxxxxxxxx>
:::::: CC: 0day robot <fengguang.wu@xxxxxxxxx>

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