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Linus Torvalds dca0ae3900 gcc-10: avoid shadowing standard library 'free()' in crypto
commit 1a263ae60b upstream.

gcc-10 has started warning about conflicting types for a few new
built-in functions, particularly 'free()'.

This results in warnings like:

   crypto/xts.c:325:13: warning: conflicting types for built-in function ‘free’; expected ‘void(void *)’ [-Wbuiltin-declaration-mismatch]

because the crypto layer had its local freeing functions called
'free()'.

Gcc-10 is in the wrong here, since that function is marked 'static', and
thus there is no chance of confusion with any standard library function
namespace.

But the simplest thing to do is to just use a different name here, and
avoid this gcc mis-feature.

[ Side note: gcc knowing about 'free()' is in itself not the
  mis-feature: the semantics of 'free()' are special enough that a
  compiler can validly do special things when seeing it.

  So the mis-feature here is that gcc thinks that 'free()' is some
  restricted name, and you can't shadow it as a local static function.

  Making the special 'free()' semantics be a function attribute rather
  than tied to the name would be the much better model ]

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-05-20 08:20:29 +02:00
..
asymmetric_keys KEYS: asymmetric: return ENOMEM if akcipher_request_alloc() fails 2019-12-31 16:46:07 +01:00
async_tx treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 335 2019-06-05 17:37:06 +02:00
842.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
Kconfig crypto: essiv - fix AEAD capitalization and preposition use in help text 2020-02-24 08:36:50 +01:00
Makefile crypto: aegis128-neon - use Clang compatible cflags for ARM 2019-12-31 16:43:38 +01:00
ablkcipher.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
acompress.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
adiantum.c crypto: shash - remove shash_desc::flags 2019-04-25 15:38:12 +08:00
aead.c crypto: aead - Do not allow authsize=0 if auth. alg has digestsize>0 2019-08-15 21:52:14 +10:00
aegis.h crypto: aegis128 - Fix -Wunused-const-variable warning 2019-08-30 18:05:30 +10:00
aegis128-core.c crypto: aegis128 - Fix -Wunused-const-variable warning 2019-08-30 18:05:30 +10:00
aegis128-neon-inner.c crypto: arm64/aegis128 - use explicit vector load for permute vectors 2019-08-30 18:05:27 +10:00
aegis128-neon.c crypto: arm64/aegis128 - implement plain NEON version 2019-08-15 21:52:15 +10:00
aes_generic.c crypto: aes-generic - remove unused variable 'rco_tab' 2019-08-15 21:52:14 +10:00
aes_ti.c crypto: aes - create AES library based on the fixed time AES code 2019-07-26 14:55:33 +10:00
af_alg.c crypto: af_alg - Use bh_lock_sock in sk_destruct 2020-02-01 09:34:52 +00:00
ahash.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
akcipher.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
algapi.c crypto: api - Fix race condition in crypto_spawn_alg 2020-02-11 04:35:31 -08:00
algboss.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
algif_aead.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
algif_hash.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
algif_rng.c net: remove sock_no_poll 2018-05-26 09:16:44 +02:00
algif_skcipher.c crypto: algif_skcipher - Use chunksize instead of blocksize 2020-01-17 19:48:46 +01:00
ansi_cprng.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 42 2019-05-24 17:27:12 +02:00
anubis.c crypto: make all generic algorithms set cra_driver_name 2019-06-13 14:31:39 +08:00
api.c crypto: api - Fix race condition in crypto_spawn_alg 2020-02-11 04:35:31 -08:00
arc4.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
authenc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
authencesn.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
blkcipher.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
blowfish_common.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
blowfish_generic.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
camellia_generic.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
cast5_generic.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 140 2019-05-30 11:25:16 -07:00
cast6_generic.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 140 2019-05-30 11:25:16 -07:00
cast_common.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 44 2019-05-24 17:27:12 +02:00
cbc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ccm.c wusb: switch to cbcmac transform 2019-06-18 08:52:34 +02:00
cfb.c crypto: run initcalls for generic implementations earlier 2019-04-18 22:15:03 +08:00
chacha20poly1305.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
chacha_generic.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
cipher.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
cmac.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
compress.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
crc32_generic.c crypto: run initcalls for generic implementations earlier 2019-04-18 22:15:03 +08:00
crc32c_generic.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
crct10dif_common.c crypto: crct10dif - Add fallback for broken initrds 2013-09-12 15:31:34 +10:00
crct10dif_generic.c crypto: run initcalls for generic implementations earlier 2019-04-18 22:15:03 +08:00
cryptd.c crypto: cryptd - Use refcount_t for refcount 2019-08-15 21:52:13 +10:00
crypto_engine.c crypto: engine - Reduce default RT priority 2019-08-09 15:11:52 +10:00
crypto_null.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
crypto_user_base.c crypto: user - fix memory leak in crypto_report 2019-12-13 08:43:10 +01:00
crypto_user_stat.c crypto: user - fix memory leak in crypto_reportstat 2019-12-13 08:43:11 +01:00
ctr.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
cts.c crypto: run initcalls for generic implementations earlier 2019-04-18 22:15:03 +08:00
deflate.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
des_generic.c crypto: des - remove now unused __des3_ede_setkey() 2019-08-22 14:57:33 +10:00
dh.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
dh_helper.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
drbg.c crypto: drbg - add FIPS 140-2 CTRNG for noise source 2019-05-23 14:01:06 +08:00
ecb.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ecc.c crypto: ecdh - fix big endian bug in ECC library 2019-12-13 08:43:09 +01:00
ecc.h crypto: ecrdsa - add EC-RDSA (GOST 34.10) algorithm 2019-04-18 22:15:02 +08:00
ecc_curve_defs.h crypto: ecc - make ecc into separate module 2019-04-18 22:15:02 +08:00
ecdh.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ecdh_helper.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
echainiv.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ecrdsa.c crypto: ecrdsa - add EC-RDSA (GOST 34.10) algorithm 2019-04-18 22:15:02 +08:00
ecrdsa_defs.h crypto: ecrdsa - add EC-RDSA (GOST 34.10) algorithm 2019-04-18 22:15:02 +08:00
ecrdsa_params.asn1 crypto: ecrdsa - add EC-RDSA (GOST 34.10) algorithm 2019-04-18 22:15:02 +08:00
ecrdsa_pub_key.asn1 crypto: ecrdsa - add EC-RDSA (GOST 34.10) algorithm 2019-04-18 22:15:02 +08:00
essiv.c crypto: essiv - create wrapper template for ESSIV generation 2019-09-03 16:44:57 -04:00
fcrypt.c crypto: make all generic algorithms set cra_driver_name 2019-06-13 14:31:39 +08:00
fips.c crypto: fips - add FIPS test failure notification chain 2019-07-26 14:51:57 +10:00
gcm.c crypto: gcm - restrict assoclen for rfc4543 2019-08-09 15:11:58 +10:00
gf128mul.c crypto: gf128mul - remove incorrect comment 2017-12-22 19:52:40 +11:00
ghash-generic.c crypto: ghash - add comment and improve help text 2019-07-27 21:08:38 +10:00
hash_info.c crypto: rename sm3-256 to sm3 in hash_algo_name 2020-02-28 17:22:26 +01:00
hmac.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-06-06 13:10:49 -07:00
internal.h crypto: api - Fix race condition in crypto_spawn_alg 2020-02-11 04:35:31 -08:00
jitterentropy-kcapi.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-06-20 14:17:24 +08:00
jitterentropy.c crypto: jitter - update implementation to 2.1.2 2019-06-06 14:38:57 +08:00
keywrap.c crypto: run initcalls for generic implementations earlier 2019-04-18 22:15:03 +08:00
khazad.c crypto: make all generic algorithms set cra_driver_name 2019-06-13 14:31:39 +08:00
kpp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
lrw.c gcc-10: avoid shadowing standard library 'free()' in crypto 2020-05-20 08:20:29 +02:00
lz4.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
lz4hc.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
lzo-rle.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
lzo.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
md4.c crypto: make all generic algorithms set cra_driver_name 2019-06-13 14:31:39 +08:00
md5.c crypto: make all generic algorithms set cra_driver_name 2019-06-13 14:31:39 +08:00
memneq.c crypto: memneq - fix for archs without efficient unaligned access 2013-12-09 20:09:12 +08:00
michael_mic.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
nhpoly1305.c crypto: run initcalls for generic implementations earlier 2019-04-18 22:15:03 +08:00
ofb.c crypto: run initcalls for generic implementations earlier 2019-04-18 22:15:03 +08:00
pcbc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
pcrypt.c crypto: pcrypt - Do not clear MAY_SLEEP flag in original request 2020-02-11 04:35:31 -08:00
poly1305_generic.c crypto: run initcalls for generic implementations earlier 2019-04-18 22:15:03 +08:00
proc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ripemd.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rmd128.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
rmd160.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
rmd256.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
rmd320.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
rng.c crypto: rng - Fix a refcounting bug in crypto_rng_reset() 2020-04-17 10:50:16 +02:00
rsa-pkcs1pad.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
rsa.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
rsa_helper.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
rsaprivkey.asn1 crypto: rsa - Store rest of the private key components 2016-07-05 23:05:26 +08:00
rsapubkey.asn1 crypto: akcipher - Changes to asymmetric key API 2015-10-14 22:23:16 +08:00
salsa20_generic.c crypto: run initcalls for generic implementations earlier 2019-04-18 22:15:03 +08:00
scatterwalk.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
scompress.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
seed.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
seqiv.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
serpent_generic.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
sha1_generic.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sha3_generic.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
sha256_generic.c crypto: sha256 - Merge crypto/sha256.h into crypto/sha.h 2019-09-05 14:54:54 +10:00
sha512_generic.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 45 2019-05-24 17:27:12 +02:00
shash.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
simd.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
skcipher.c crypto: skcipher - Unmap pages after an external error 2019-09-09 17:35:27 +10:00
sm3_generic.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234 2019-06-19 17:09:07 +02:00
sm4_generic.c crypto: run initcalls for generic implementations earlier 2019-04-18 22:15:03 +08:00
streebog_generic.c crypto: streebog - remove two unused variables 2019-08-15 21:52:14 +10:00
tcrypt.c crypto: essiv - add tests for essiv in cbc(aes)+sha256 mode 2019-08-30 18:05:27 +10:00
tcrypt.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
tea.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
testmgr.c crypto: testmgr - don't try to decrypt uninitialized buffers 2020-02-14 16:34:18 -05:00
testmgr.h crypto: essiv - add tests for essiv in cbc(aes)+sha256 mode 2019-08-30 18:05:27 +10:00
tgr192.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
twofish_common.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
twofish_generic.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
vmac.c crypto: run initcalls for generic implementations earlier 2019-04-18 22:15:03 +08:00
wp512.c crypto: make all generic algorithms set cra_driver_name 2019-06-13 14:31:39 +08:00
xcbc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
xor.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 47 2019-05-24 17:27:13 +02:00
xts.c gcc-10: avoid shadowing standard library 'free()' in crypto 2020-05-20 08:20:29 +02:00
xxhash_generic.c crypto: xxhash - Implement xxhash support 2019-06-06 14:38:57 +08:00
zstd.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00