Gilad Ben-Yossef 6b80ea389a crypto: change transient busy return code to -ENOSPC ...

The crypto API was using the -EBUSY return value to indicate
both a hard failure to submit a crypto operation into a
transformation provider when the latter was busy and the backlog
mechanism was not enabled as well as a notification that the
operation was queued into the backlog when the backlog mechanism
was enabled.

Having the same return code indicate two very different conditions
depending on a flag is both error prone and requires extra runtime
check like the following to discern between the cases:

	if (err == -EINPROGRESS ||
	    (err == -EBUSY && (ahash_request_flags(req) &
			       CRYPTO_TFM_REQ_MAY_BACKLOG)))

This patch changes the return code used to indicate a crypto op
failed due to the transformation provider being transiently busy
to -ENOSPC.

Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

2017-11-03 22:11:16 +08:00

..

asymmetric_keys

Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

2017-07-05 15:17:26 +08:00

async_tx

async_tx: Fix DMA_PREP_FENCE usage in do_async_gen_syndrome()

2017-05-16 10:01:57 +05:30

.gitignore

crypto: rsa - add .gitignore for crypto/*.-asn1.[ch] files

2015-06-25 23:29:24 +08:00

842.c

crypto: acomp - add support for 842 via scomp

2016-10-25 11:08:33 +08:00

ablk_helper.c

crypto: ablk_helper - Fix cryptd reordering

2016-06-23 18:29:53 +08:00

ablkcipher.c

crypto: Replaced gcc specific attributes with macros from compiler.h

2017-01-13 00:24:39 +08:00

acompress.c

crypto: acomp - allow registration of multiple acomps

2017-04-21 20:30:50 +08:00

aead.c

crypto: Replaced gcc specific attributes with macros from compiler.h

2017-01-13 00:24:39 +08:00

aes_generic.c

crypto: aes-generic - drop alignment requirement

2017-02-11 17:50:43 +08:00

aes_ti.c

crypto: aes_ti - fix comment for MixColumns step

2017-06-19 14:11:53 +08:00

af_alg.c

crypto: af_alg - update correct dst SGL entry

2017-09-20 17:42:42 +08:00

ahash.c

crypto: hash - add crypto_(un)register_ahashes()

2017-08-22 14:54:52 +08:00

akcipher.c

crypto: Replaced gcc specific attributes with macros from compiler.h

2017-01-13 00:24:39 +08:00

algapi.c

crypto: change transient busy return code to -ENOSPC

2017-11-03 22:11:16 +08:00

algboss.c

crypto: algboss - remove redundant setting of len to zero

2017-10-07 12:10:34 +08:00

algif_aead.c

crypto: algif_aead - fix comment regarding memory layout

2017-08-22 14:54:50 +08:00

algif_hash.c

net: Work around lockdep limitation in sockets that use sockets

2017-03-09 18:23:27 -08:00

algif_rng.c

crypto: algif_rng - Remove obsolete const-removal cast

2015-04-22 09:30:21 +08:00

algif_skcipher.c

crypto: algif_skcipher - only call put_page on referenced and used pages

2017-08-22 14:45:48 +08:00

ansi_cprng.c

crypto: ansi_cprng - Convert to new rng interface

2015-04-22 09:30:18 +08:00

anubis.c

crypto: prefix module autoloading with "crypto-"

2014-11-24 22:43:57 +08:00

api.c

sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h>

2017-03-02 08:42:32 +01:00

arc4.c

crypto: prefix module autoloading with "crypto-"

2014-11-24 22:43:57 +08:00

authenc.c

crypto: skcipher - Get rid of crypto_spawn_skcipher2()

2016-11-01 08:37:17 +08:00

authencesn.c

crypto: authencesn - Fix digest_null crash

2017-07-18 17:01:11 +08:00

blkcipher.c

crypto: Replaced gcc specific attributes with macros from compiler.h

2017-01-13 00:24:39 +08:00

blowfish_common.c

…

blowfish_generic.c

crypto: add missing crypto module aliases

2015-01-13 22:29:11 +11:00

camellia_generic.c

crypto: add missing crypto module aliases

2015-01-13 22:29:11 +11:00

cast5_generic.c

crypto: add missing crypto module aliases

2015-01-13 22:29:11 +11:00

cast6_generic.c

crypto: add missing crypto module aliases

2015-01-13 22:29:11 +11:00

cast_common.c

crypto: make tables used from assembler __visible

2013-08-14 20:42:03 +10:00

cbc.c

crypto: cbc - Propagate NEED_FALLBACK bit

2017-03-09 18:34:39 +08:00

ccm.c

crypto: ccm - move cbcmac input off the stack

2017-02-28 17:29:17 +08:00

chacha20_generic.c

crypto: chacha20 - fix handling of chunked input

2017-08-22 14:45:47 +08:00

chacha20poly1305.c

crypto: skcipher - Get rid of crypto_spawn_skcipher2()

2016-11-01 08:37:17 +08:00

cipher.c

crypto: api - Remove no-op exit_ops code

2016-10-21 11:03:42 +08:00

cmac.c

crypto: algapi - make crypto_xor() and crypto_inc() alignment agnostic

2017-02-11 17:52:28 +08:00

compress.c

crypto: api - Remove no-op exit_ops code

2016-10-21 11:03:42 +08:00

crc32_generic.c

crypto: crc32 - Rename generic implementation

2016-01-30 22:11:22 +08:00

crc32c_generic.c

crypto: crc32c - Fix crc32c soft dependency

2016-01-19 15:52:10 +08:00

crct10dif_common.c

crypto: crct10dif - Add fallback for broken initrds

2013-09-12 15:31:34 +10:00

crct10dif_generic.c

crypto: squash lines for simple wrapper functions

2016-09-13 20:27:26 +08:00

cryptd.c

crypto: change transient busy return code to -ENOSPC

2017-11-03 22:11:16 +08:00

crypto_engine.c

crypto: engine - replace pr_xxx by dev_xxx

2017-06-19 14:19:54 +08:00

crypto_null.c

crypto: null - Remove default null blkcipher

2016-07-18 17:35:44 +08:00

crypto_user.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

2017-05-02 16:40:27 -07:00

crypto_wq.c

crypto: crypto_wq - Fix late crypto work queue initialization

2014-03-21 21:54:28 +08:00

ctr.c

crypto: algapi - make crypto_xor() take separate dst and src arguments

2017-08-04 09:27:15 +08:00

cts.c

crypto: algapi - make crypto_xor() and crypto_inc() alignment agnostic

2017-02-11 17:52:28 +08:00

deflate.c

crypto: scomp - add support for deflate rfc1950 (zlib)

2017-04-24 18:11:08 +08:00

des_generic.c

crypto: add missing crypto module aliases

2015-01-13 22:29:11 +11:00

dh_helper.c

crypto: dh - return unsigned value for crypto_dh_key_len()

2017-10-12 22:55:05 +08:00

dh.c

crypto: dh - comply with crypto_kpp_maxsize()

2017-06-10 12:04:27 +08:00

drbg.c

crypto: drbg - fix freeing of resources

2017-09-20 17:42:29 +08:00

ecb.c

crypto: include crypto- module prefix in template

2014-11-26 20:06:30 +08:00

ecc_curve_defs.h

crypto: ecdh - Add ECDH software support

2016-06-23 18:29:57 +08:00

ecc.c

crypto: ecdh - add privkey generation support

2017-06-10 12:04:35 +08:00

ecc.h

crypto: ecdh - add privkey generation support

2017-06-10 12:04:35 +08:00

ecdh_helper.c

crypto: ecdh - return unsigned value for crypto_ecdh_key_len()

2017-10-12 22:55:00 +08:00

ecdh.c

crypto: ecdh - fix concurrency on shared secret and pubkey

2017-08-03 13:47:22 +08:00

echainiv.c

crypto: echainiv - Replace chaining with multiplication

2016-09-13 18:44:57 +08:00

fcrypt.c

crypto: prefix module autoloading with "crypto-"

2014-11-24 22:43:57 +08:00

fips.c

crypto: fips - Move fips_enabled sysctl into fips.c

2015-04-23 14:18:09 +08:00

gcm.c

crypto: gcm - Use GCM IV size constant

2017-09-22 17:43:13 +08:00

gf128mul.c

crypto: gf128mul - The x8_ble multiplication functions

2017-11-03 21:50:43 +08:00

ghash-generic.c

crypto: ghash-generic - move common definitions to a new header file

2016-10-02 22:26:40 +08:00

hash_info.c

keys, trusted: select hash algorithm for TPM2 chips

2015-12-20 15:27:12 +02:00

hmac.c

crypto: hmac - add hmac IPAD/OPAD constant

2017-05-23 12:52:05 +08:00

internal.h

crypto: api - Remove no-op exit_ops code

2016-10-21 11:03:42 +08:00

jitterentropy-kcapi.c

crypto: jitterentropy - drop duplicate header module.h

2016-11-17 23:34:52 +08:00

jitterentropy.c

crypto: jitterentropy - Delete unnecessary checks before the function call "kzfree"

2015-06-25 23:18:33 +08:00

Kconfig

crypto: sm3 - add OSCCA SM3 secure hash

2017-09-22 17:43:07 +08:00

keywrap.c

crypto: keywrap - simplify code

2017-10-12 22:55:06 +08:00

khazad.c

crypto: prefix module autoloading with "crypto-"

2014-11-24 22:43:57 +08:00

kpp.c

crypto: Replaced gcc specific attributes with macros from compiler.h

2017-01-13 00:24:39 +08:00

lrw.c

crypto: lrw - Check for incorrect cipher name

2017-10-12 22:54:45 +08:00

lz4.c

crypto: lz4 - fixed decompress function to return error code

2017-04-10 19:17:27 +08:00

lz4hc.c

crypto: lz4 - fixed decompress function to return error code

2017-04-10 19:17:27 +08:00

lzo.c

treewide: use kv[mz]alloc* rather than opencoded variants

2017-05-08 17:15:13 -07:00

Makefile

crypto: sm3 - add OSCCA SM3 secure hash

2017-09-22 17:43:07 +08:00

mcryptd.c

sched/headers: Prepare for new header dependencies before moving code to <linux/sched/stat.h>

2017-03-02 08:42:34 +01:00

md4.c

crypto: prefix module autoloading with "crypto-"

2014-11-24 22:43:57 +08:00

md5.c

md5: remove from lib and only live in crypto

2017-03-24 22:02:56 +08:00

memneq.c

crypto: memneq - fix for archs without efficient unaligned access

2013-12-09 20:09:12 +08:00

michael_mic.c

crypto: prefix module autoloading with "crypto-"

2014-11-24 22:43:57 +08:00

pcbc.c

crypto: algapi - make crypto_xor() take separate dst and src arguments

2017-08-04 09:27:15 +08:00

pcrypt.c

crypto: aead - Remove CRYPTO_ALG_AEAD_NEW flag

2015-08-17 16:53:53 +08:00

poly1305_generic.c

crypto: poly1305 - Use unaligned access where required

2016-11-13 17:45:03 +08:00

proc.c

crypto: fips - Move fips_enabled sysctl into fips.c

2015-04-23 14:18:09 +08:00

ripemd.h

…

rmd128.c

crypto: drop unnecessary return statements

2017-09-22 17:43:28 +08:00

rmd160.c

crypto: drop unnecessary return statements

2017-09-22 17:43:28 +08:00

rmd256.c

crypto: drop unnecessary return statements

2017-09-22 17:43:28 +08:00

rmd320.c

crypto: drop unnecessary return statements

2017-09-22 17:43:28 +08:00

rng.c

crypto: rng - ensure that the RNG is ready before using

2017-07-28 17:56:00 +08:00

rsa_helper.c

crypto: rsa - allow keys >= 2048 bits in FIPS mode

2016-08-24 21:07:10 +08:00

rsa-pkcs1pad.c

crypto: rsa-pkcs1pad - use constant time memory comparison for MACs

2017-06-20 11:21:19 +08:00

rsa.c

crypto: rsa - comply with crypto_akcipher_maxsize()

2017-06-10 12:04:30 +08:00

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: add missing crypto module aliases

2015-01-13 22:29:11 +11:00

scatterwalk.c

crypto: scatterwalk - Remove unnecessary aliasing check in map_and_copy

2016-11-22 15:02:25 +08:00

scompress.c

crypto: scompress - defer allocation of scratch buffer to first use

2017-08-03 13:52:44 +08:00

seed.c

crypto: prefix module autoloading with "crypto-"

2014-11-24 22:43:57 +08:00

seqiv.c

crypto: algapi - make crypto_xor() and crypto_inc() alignment agnostic

2017-02-11 17:52:28 +08:00

serpent_generic.c

crypto: serpent - improve __serpent_setkey with UBSAN

2017-08-09 20:17:54 +08:00

sha1_generic.c

crypto: hash - add zero length message hash for shax and md5

2015-12-22 20:43:35 +08:00

sha3_generic.c

crypto: sha3 - Add missing ULL suffixes for 64-bit constants

2016-08-08 23:43:46 +08:00

sha256_generic.c

crypto: hash - add zero length message hash for shax and md5

2015-12-22 20:43:35 +08:00

sha512_generic.c

crypto: sha512-generic - move to generic glue implementation

2015-04-10 21:39:41 +08:00

shash.c

crypto: Replaced gcc specific attributes with macros from compiler.h

2017-01-13 00:24:39 +08:00

simd.c

crypto: simd - Add simd skcipher helper

2016-11-28 21:23:18 +08:00

skcipher.c

crypto: skcipher - Add missing API setkey checks

2017-05-18 13:04:05 +08:00

sm3_generic.c

crypto: sm3 - add OSCCA SM3 secure hash

2017-09-22 17:43:07 +08:00

tcrypt.c

crypto: tcrypt - fix buffer lengths in test_aead_speed()

2017-11-03 21:50:47 +08:00

tcrypt.h

crypto: tcrypt - Add ChaCha20/Poly1305 speed tests

2015-07-17 21:20:20 +08:00

tea.c

crypto: add missing crypto module aliases

2015-01-13 22:29:11 +11:00

testmgr.c

crypto: sm3 - add SM3 test vectors

2017-09-22 17:43:08 +08:00

testmgr.h

crypto: sm3 - add SM3 test vectors

2017-09-22 17:43:08 +08:00

tgr192.c

crypto: add missing crypto module aliases

2015-01-13 22:29:11 +11:00

twofish_common.c

…

twofish_generic.c

crypto: add missing crypto module aliases

2015-01-13 22:29:11 +11:00

vmac.c

crypto: include crypto- module prefix in template

2014-11-26 20:06:30 +08:00

wp512.c

crypto: add missing crypto module aliases

2015-01-13 22:29:11 +11:00

xcbc.c

crypto: include crypto- module prefix in template

2014-11-26 20:06:30 +08:00

xor.c

crypto: xor - Fix warning when XOR_SELECT_TEMPLATE is unset

2016-08-31 23:00:48 +08:00

xts.c

Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

2017-05-02 15:53:46 -07:00