AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers/crypto/amcc
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Nathan Chancellor 2ec7b49a1f crypto: crypto4xx - Replace bitwise OR with logical OR in crypto4xx_build_pd 
[ Upstream commit 5bdad829c31a09069fd508534f03c2ea1576ac75 ]

Clang warns:

drivers/crypto/amcc/crypto4xx_core.c:921:60: warning: operator '?:' has
lower precedence than '|'; '|' will be evaluated first
[-Wbitwise-conditional-parentheses]
                 (crypto_tfm_alg_type(req->tfm) == CRYPTO_ALG_TYPE_AEAD) ?
                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^
drivers/crypto/amcc/crypto4xx_core.c:921:60: note: place parentheses
around the '|' expression to silence this warning
                 (crypto_tfm_alg_type(req->tfm) == CRYPTO_ALG_TYPE_AEAD) ?
                                                                         ^
                                                                        )
drivers/crypto/amcc/crypto4xx_core.c:921:60: note: place parentheses
around the '?:' expression to evaluate it first
                 (crypto_tfm_alg_type(req->tfm) == CRYPTO_ALG_TYPE_AEAD) ?
                                                                         ^
                 (
1 warning generated.

It looks like this should have been a logical OR so that
PD_CTL_HASH_FINAL gets added to the w bitmask if crypto_tfm_alg_type
is either CRYPTO_ALG_TYPE_AHASH or CRYPTO_ALG_TYPE_AEAD. Change the
operator so that everything works properly.

Fixes: 4b5b79998a ("crypto: crypto4xx - fix stalls under heavy load")
Link: https://github.com/ClangBuiltLinux/linux/issues/1198
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-12-30 11:53:17 +01:00
..
crypto4xx_alg.c crypto: drivers - use semicolons rather than commas to separate statements 2020-10-02 18:02:15 +10:00
crypto4xx_core.c crypto: crypto4xx - Replace bitwise OR with logical OR in crypto4xx_build_pd 2020-12-30 11:53:17 +01:00
crypto4xx_core.h crypto: algapi - Remove skbuff.h inclusion 2020-08-20 14:04:28 +10:00
crypto4xx_reg_def.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
crypto4xx_sa.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
crypto4xx_trng.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-19 12:23:37 -07:00
crypto4xx_trng.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00