drivers/crypto/qat/qat_common/qat_algs.c:483: undefined reference to `aes_expandkey'

From: kernel test robot
Date: Sat Dec 19 2020 - 04:54:27 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 3644e2d2dda78e21edd8f5415b6d7ab03f5f54f3
commit: 5106dfeaeabea73d5132daab1d89d57b57fa98b7 crypto: qat - add AES-XTS support for QAT GEN4 devices
date: 8 days ago
config: i386-randconfig-m021-20201216 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5106dfeaeabea73d5132daab1d89d57b57fa98b7
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 5106dfeaeabea73d5132daab1d89d57b57fa98b7
# save the attached .config to linux build tree
make W=1 ARCH=i386

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

All errors (new ones prefixed by >>):

ld: drivers/crypto/qat/qat_common/qat_algs.o: in function `qat_alg_xts_reverse_key':
>> drivers/crypto/qat/qat_common/qat_algs.c:483: undefined reference to `aes_expandkey'


vim +483 drivers/crypto/qat/qat_common/qat_algs.c

475
476 static void qat_alg_xts_reverse_key(const u8 *key_forward, unsigned int keylen,
477 u8 *key_reverse)
478 {
479 struct crypto_aes_ctx aes_expanded;
480 int nrounds;
481 u8 *key;
482
> 483 aes_expandkey(&aes_expanded, key_forward, keylen);
484 if (keylen == AES_KEYSIZE_128) {
485 nrounds = 10;
486 key = (u8 *)aes_expanded.key_enc + (AES_BLOCK_SIZE * nrounds);
487 memcpy(key_reverse, key, AES_BLOCK_SIZE);
488 } else {
489 /* AES_KEYSIZE_256 */
490 nrounds = 14;
491 key = (u8 *)aes_expanded.key_enc + (AES_BLOCK_SIZE * nrounds);
492 memcpy(key_reverse, key, AES_BLOCK_SIZE);
493 memcpy(key_reverse + AES_BLOCK_SIZE, key - AES_BLOCK_SIZE,
494 AES_BLOCK_SIZE);
495 }
496 }
497

---
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Attachment: .config.gz
Description: application/gzip